diff --git a/packages/logic/src/index.ts b/packages/logic/src/index.ts
index e0679d8..fde081e 100644
--- a/packages/logic/src/index.ts
+++ b/packages/logic/src/index.ts
@@ -10,3 +10,4 @@ export * from './scenario/index.js';
 export * from './triggers/index.js';
 export * from './turn/index.js';
 export * from './world/index.js';
+export * from './war/index.js';
diff --git a/packages/logic/src/war/actions.ts b/packages/logic/src/war/actions.ts
new file mode 100644
index 0000000..d9875ee
--- /dev/null
+++ b/packages/logic/src/war/actions.ts
@@ -0,0 +1,143 @@
+import type { RandUtil } from '@sammo-ts/common';
+
+import type {
+    City,
+    General,
+    GeneralTriggerState,
+    Nation,
+} from '../domain/entities.js';
+import type { ActionLogger } from '../logging/actionLogger.js';
+import type { WarUnit } from './units.js';
+import { WarTriggerCaller } from './triggers.js';
+
+export interface WarActionContext<TriggerState extends GeneralTriggerState = GeneralTriggerState> {
+    general: General<TriggerState>;
+    nation?: Nation | null;
+    city?: City;
+    log?: ActionLogger;
+    rng?: RandUtil;
+}
+
+export interface WarActionModule<TriggerState extends GeneralTriggerState = GeneralTriggerState> {
+    getName?(): string;
+    getInfo?(): string;
+
+    getBattleInitTriggerList?(
+        context: WarActionContext<TriggerState>
+    ): WarTriggerCaller | null;
+
+    getBattlePhaseTriggerList?(
+        context: WarActionContext<TriggerState>
+    ): WarTriggerCaller | null;
+
+    onCalcStat?(
+        context: WarActionContext<TriggerState>,
+        statName: string,
+        value: number | [number, number],
+        aux?: unknown
+    ): number | [number, number];
+
+    onCalcOpposeStat?(
+        context: WarActionContext<TriggerState>,
+        statName: string,
+        value: number | [number, number],
+        aux?: unknown
+    ): number | [number, number];
+
+    getWarPowerMultiplier?(
+        context: WarActionContext<TriggerState>,
+        unit: WarUnit<TriggerState>,
+        oppose: WarUnit<TriggerState>
+    ): [number, number];
+}
+
+export class WarActionPipeline<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState
+> {
+    // 전투용 iAction 파이프라인: 스탯/트리거/전투력 보정 흐름을 순서대로 적용한다.
+    private readonly modules: WarActionModule<TriggerState>[];
+
+    constructor(modules: Array<WarActionModule<TriggerState> | null | undefined>) {
+        this.modules = modules.filter(Boolean) as WarActionModule<TriggerState>[];
+    }
+
+    getBattleInitTriggerList(
+        context: WarActionContext<TriggerState>
+    ): WarTriggerCaller {
+        const caller = new WarTriggerCaller();
+        for (const module of this.modules) {
+            const triggers = module.getBattleInitTriggerList?.(context);
+            if (triggers) {
+                caller.merge(triggers);
+            }
+        }
+        return caller;
+    }
+
+    getBattlePhaseTriggerList(
+        context: WarActionContext<TriggerState>
+    ): WarTriggerCaller {
+        const caller = new WarTriggerCaller();
+        for (const module of this.modules) {
+            const triggers = module.getBattlePhaseTriggerList?.(context);
+            if (triggers) {
+                caller.merge(triggers);
+            }
+        }
+        return caller;
+    }
+
+    onCalcStat<T extends number | [number, number]>(
+        context: WarActionContext<TriggerState>,
+        statName: string,
+        value: T,
+        aux?: unknown
+    ): T {
+        let current: number | [number, number] = value;
+        for (const module of this.modules) {
+            if (!module.onCalcStat) {
+                continue;
+            }
+            current = module.onCalcStat(context, statName, current, aux);
+        }
+        return current as T;
+    }
+
+    onCalcOpposeStat<T extends number | [number, number]>(
+        context: WarActionContext<TriggerState>,
+        statName: string,
+        value: T,
+        aux?: unknown
+    ): T {
+        let current: number | [number, number] = value;
+        for (const module of this.modules) {
+            if (!module.onCalcOpposeStat) {
+                continue;
+            }
+            current = module.onCalcOpposeStat(context, statName, current, aux);
+        }
+        return current as T;
+    }
+
+    getWarPowerMultiplier(
+        context: WarActionContext<TriggerState>,
+        unit: WarUnit<TriggerState>,
+        oppose: WarUnit<TriggerState>
+    ): [number, number] {
+        let attack = 1;
+        let defence = 1;
+        for (const module of this.modules) {
+            if (!module.getWarPowerMultiplier) {
+                continue;
+            }
+            const [attMul, defMul] = module.getWarPowerMultiplier(
+                context,
+                unit,
+                oppose
+            );
+            attack *= attMul;
+            defence *= defMul;
+        }
+        return [attack, defence];
+    }
+}
diff --git a/packages/logic/src/war/crewType.ts b/packages/logic/src/war/crewType.ts
new file mode 100644
index 0000000..f33e079
--- /dev/null
+++ b/packages/logic/src/war/crewType.ts
@@ -0,0 +1,77 @@
+import type { CrewTypeDefinition } from '../world/types.js';
+
+// 전투 계산에 필요한 병종 정보 래퍼.
+export class WarCrewType {
+    constructor(private readonly definition: CrewTypeDefinition) {}
+
+    get id(): number {
+        return this.definition.id;
+    }
+
+    get armType(): number {
+        return this.definition.armType;
+    }
+
+    get name(): string {
+        return this.definition.name;
+    }
+
+    get speed(): number {
+        return this.definition.speed;
+    }
+
+    get avoid(): number {
+        return this.definition.avoid;
+    }
+
+    get attack(): number {
+        return this.definition.attack;
+    }
+
+    get defence(): number {
+        return this.definition.defence;
+    }
+
+    get rice(): number {
+        return this.definition.rice;
+    }
+
+    get initSkillTrigger(): string[] {
+        return this.definition.initSkillTrigger ?? [];
+    }
+
+    get phaseSkillTrigger(): string[] {
+        return this.definition.phaseSkillTrigger ?? [];
+    }
+
+    getShortName(): string {
+        if (this.definition.name.length <= 4) {
+            return this.definition.name;
+        }
+        return this.definition.name.slice(0, 4);
+    }
+
+    getAttackCoef(oppose: WarCrewType): number {
+        const byId = this.definition.attackCoef[String(oppose.id)];
+        if (typeof byId === 'number') {
+            return byId;
+        }
+        const byType = this.definition.attackCoef[String(oppose.armType)];
+        if (typeof byType === 'number') {
+            return byType;
+        }
+        return 1;
+    }
+
+    getDefenceCoef(oppose: WarCrewType): number {
+        const byId = this.definition.defenceCoef[String(oppose.id)];
+        if (typeof byId === 'number') {
+            return byId;
+        }
+        const byType = this.definition.defenceCoef[String(oppose.armType)];
+        if (typeof byType === 'number') {
+            return byType;
+        }
+        return 1;
+    }
+}
diff --git a/packages/logic/src/war/engine.ts b/packages/logic/src/war/engine.ts
new file mode 100644
index 0000000..cdeb86e
--- /dev/null
+++ b/packages/logic/src/war/engine.ts
@@ -0,0 +1,645 @@
+import {
+    JosaUtil,
+    LiteHashDRBG,
+    RandUtil,
+} from '@sammo-ts/common';
+
+import type {
+    City,
+    General,
+    GeneralTriggerState,
+} from '../domain/entities.js';
+import { ActionLogger } from '../logging/actionLogger.js';
+import { LogFormat } from '../logging/types.js';
+import { buildCrewTypeIndex as buildCrewTypeDefinitionIndex } from '../world/unitSet.js';
+import { WarActionPipeline } from './actions.js';
+import { WarCrewType } from './crewType.js';
+import {
+    ChePilsalActivateTrigger,
+    ChePilsalAttemptTrigger,
+} from './triggersChePilsal.js';
+import {
+    WarTriggerCaller,
+    createWarTriggerEnv,
+    type WarTriggerRegistry,
+} from './triggers.js';
+import type {
+    WarBattleInput,
+    WarBattleOutcome,
+    WarGeneralInput,
+    WarUnitReport,
+} from './types.js';
+import { getMetaNumber } from './utils.js';
+import { WarUnitCity, WarUnitGeneral, type WarUnit } from './units.js';
+
+const META_FULL_LEADERSHIP = 'fullLeadership';
+const META_FULL_STRENGTH = 'fullStrength';
+const META_FULL_INTELLIGENCE = 'fullIntelligence';
+const META_DEFENCE_TRAIN = 'defenceTrain';
+
+const defaultLoggerFactory = (options: {
+    generalId?: number;
+    nationId?: number;
+}): ActionLogger => new ActionLogger(options);
+
+const resolveCrewType = (
+    crewTypeIndex: Map<number, WarCrewType>,
+    crewTypeId: number
+): WarCrewType => {
+    const crewType = crewTypeIndex.get(crewTypeId);
+    if (!crewType) {
+        throw new Error(`Invalid crew type: ${crewTypeId}`);
+    }
+    return crewType;
+};
+
+const buildWarCrewTypeIndex = (
+    unitSet: WarBattleInput['unitSet']
+): Map<number, WarCrewType> => {
+    const index = new Map<number, WarCrewType>();
+    const crewTypes = buildCrewTypeDefinitionIndex(unitSet);
+    for (const [id, crewType] of crewTypes) {
+        index.set(id, new WarCrewType(crewType));
+    }
+    return index;
+};
+
+const createPipeline = <TriggerState extends GeneralTriggerState>(
+    input: WarGeneralInput<TriggerState>
+): WarActionPipeline<TriggerState> =>
+    new WarActionPipeline(input.modules ?? []);
+
+const appendCrewTypeTriggers = (
+    caller: WarTriggerCaller,
+    unit: WarUnit,
+    names: string[],
+    registry: WarTriggerRegistry | undefined
+): void => {
+    if (!registry) {
+        return;
+    }
+    for (const name of names) {
+        const factory = registry[name];
+        if (!factory) {
+            continue;
+        }
+        const trigger = factory(unit);
+        if (trigger) {
+            caller.append(trigger);
+        }
+    }
+};
+
+const buildBattleInitTriggers = (
+    unit: WarUnit,
+    registry: WarTriggerRegistry | undefined
+): WarTriggerCaller => {
+    const caller = new WarTriggerCaller();
+    if (unit instanceof WarUnitGeneral) {
+        const context = unit.getActionContext();
+        caller.merge(unit.getActionPipeline().getBattleInitTriggerList(context));
+    }
+    appendCrewTypeTriggers(caller, unit, unit.getCrewType().initSkillTrigger, registry);
+    return caller;
+};
+
+const buildBattlePhaseTriggers = (
+    unit: WarUnit,
+    registry: WarTriggerRegistry | undefined
+): WarTriggerCaller => {
+    const caller = new WarTriggerCaller();
+    if (unit instanceof WarUnitGeneral) {
+        caller.append(new ChePilsalAttemptTrigger(unit));
+        caller.append(new ChePilsalActivateTrigger(unit));
+        const context = unit.getActionContext();
+        caller.merge(unit.getActionPipeline().getBattlePhaseTriggerList(context));
+    }
+    appendCrewTypeTriggers(caller, unit, unit.getCrewType().phaseSkillTrigger, registry);
+    return caller;
+};
+
+const resolveFullStats = (general: General): {
+    leadership: number;
+    strength: number;
+    intelligence: number;
+} => ({
+    leadership: getMetaNumber(general.meta, META_FULL_LEADERSHIP, general.stats.leadership),
+    strength: getMetaNumber(general.meta, META_FULL_STRENGTH, general.stats.strength),
+    intelligence: getMetaNumber(
+        general.meta,
+        META_FULL_INTELLIGENCE,
+        general.stats.intelligence
+    ),
+});
+
+const isSupplyCity = (city: City): boolean => {
+    const supply = city.meta.supply;
+    if (typeof supply === 'boolean') {
+        return supply;
+    }
+    if (typeof supply === 'number') {
+        return supply > 0;
+    }
+    return city.supplyState > 0;
+};
+
+const extractBattleOrder = (
+    defender: WarUnit,
+    attacker: WarUnitGeneral
+): number => {
+    if (defender instanceof WarUnitCity) {
+        const context = attacker.getActionContext();
+        return attacker
+            .getActionPipeline()
+            .onCalcOpposeStat(context, 'cityBattleOrder', -1);
+    }
+
+    if (!(defender instanceof WarUnitGeneral)) {
+        return 0;
+    }
+
+    const general = defender.getGeneral();
+    if (general.crew <= 0) {
+        return 0;
+    }
+    if (general.rice <= general.crew / 100) {
+        return 0;
+    }
+
+    const defenceTrain = getMetaNumber(general.meta, META_DEFENCE_TRAIN, 0);
+    if (general.train < defenceTrain) {
+        return 0;
+    }
+    if (general.atmos < defenceTrain) {
+        return 0;
+    }
+
+    const realStat =
+        general.stats.leadership +
+        general.stats.strength +
+        general.stats.intelligence;
+    const fullStats = resolveFullStats(general);
+    const fullStat =
+        fullStats.leadership + fullStats.strength + fullStats.intelligence;
+    const totalStat = (realStat + fullStat) / 2;
+
+    const totalCrew =
+        (general.crew / 1_000_000) *
+        Math.pow(general.train * general.atmos, 1.5);
+
+    return totalStat + totalCrew / 100;
+};
+
+const resolveUnitReport = (unit: WarUnit): WarUnitReport => {
+    if (unit instanceof WarUnitGeneral) {
+        return {
+            id: unit.getGeneral().id,
+            type: 'general',
+            name: unit.getName(),
+            isAttacker: unit.isAttacker(),
+            killed: unit.getKilled(),
+            dead: unit.getDead(),
+        };
+    }
+
+    if (unit instanceof WarUnitCity) {
+        return {
+            id: unit.getCityId(),
+            type: 'city',
+            name: unit.getName(),
+            isAttacker: unit.isAttacker(),
+            killed: unit.getKilled(),
+            dead: unit.getDead(),
+        };
+    }
+
+    return {
+        id: null,
+        type: 'city',
+        name: unit.getName(),
+        isAttacker: unit.isAttacker(),
+        killed: unit.getKilled(),
+        dead: unit.getDead(),
+    };
+};
+
+const flushLoggers = (loggers: ActionLogger[]): Array<ReturnType<ActionLogger['flush']>[number]> => {
+    const logs: Array<ReturnType<ActionLogger['flush']>[number]> = [];
+    for (const logger of loggers) {
+        logs.push(...logger.flush());
+    }
+    return logs;
+};
+
+export const resolveWarBattle = <
+    TriggerState extends GeneralTriggerState = GeneralTriggerState
+>(
+    input: WarBattleInput<TriggerState>
+): WarBattleOutcome<TriggerState> => {
+    // process_war.php 전투 루프를 순수 로직으로 이식한다.
+    const rng =
+        input.rng ??
+        new RandUtil(
+            LiteHashDRBG.build(input.seed ?? '')
+        );
+    const loggerFactory = input.loggerFactory ?? defaultLoggerFactory;
+    const triggerRegistry = input.triggerRegistry;
+
+    const crewTypeIndex = buildWarCrewTypeIndex(input.unitSet);
+    const attackerPipeline = createPipeline(input.attacker);
+    const attackerLogger =
+        input.attacker.logger ??
+        loggerFactory({
+            generalId: input.attacker.general.id,
+            nationId: input.attacker.general.nationId,
+        });
+
+    const attackerUnit = new WarUnitGeneral(
+        rng,
+        input.config,
+        input.attacker.general,
+        input.attacker.city,
+        input.attacker.nation,
+        true,
+        resolveCrewType(crewTypeIndex, input.attacker.general.crewTypeId),
+        attackerLogger,
+        attackerPipeline
+    );
+
+    const cityLogger = loggerFactory({
+        nationId: input.defenderCity.nationId,
+    });
+    const cityUnit = new WarUnitCity(
+        rng,
+        input.config,
+        input.defenderCity,
+        input.defenderNation,
+        resolveCrewType(crewTypeIndex, input.config.castleCrewTypeId),
+        cityLogger,
+        input.time.year,
+        input.time.startYear
+    );
+
+    const defenderUnits: WarUnit<TriggerState>[] = [];
+    const defenderGenerals: WarUnitGeneral<TriggerState>[] = [];
+    for (const defender of input.defenders) {
+        const defenderLogger =
+            defender.logger ??
+            loggerFactory({
+                generalId: defender.general.id,
+                nationId: defender.general.nationId,
+            });
+        const unit = new WarUnitGeneral(
+            rng,
+            input.config,
+            defender.general,
+            input.defenderCity,
+            defender.nation,
+            false,
+            resolveCrewType(crewTypeIndex, defender.general.crewTypeId),
+            defenderLogger,
+            createPipeline(defender)
+        );
+        if (extractBattleOrder(unit, attackerUnit) <= 0) {
+            continue;
+        }
+        defenderUnits.push(unit);
+        defenderGenerals.push(unit);
+    }
+
+    if (
+        defenderGenerals.length > 0 &&
+        extractBattleOrder(cityUnit, attackerUnit) > 0
+    ) {
+        defenderUnits.push(cityUnit);
+    }
+
+    defenderUnits.sort(
+        (lhs, rhs) =>
+            extractBattleOrder(rhs, attackerUnit) -
+            extractBattleOrder(lhs, attackerUnit)
+    );
+
+    const iter = defenderUnits.values();
+    let defender: WarUnit<TriggerState> | null = null;
+
+    const getNextDefender = (
+        _prevDefender: WarUnit<TriggerState> | null,
+        reqNext: boolean
+    ): WarUnit<TriggerState> | null => {
+        if (!reqNext) {
+            return null;
+        }
+        const next = iter.next();
+        if (next.done) {
+            return null;
+        }
+        const candidate = next.value as WarUnit<TriggerState>;
+        if (extractBattleOrder(candidate, attackerUnit) <= 0) {
+            return null;
+        }
+        return candidate;
+    };
+
+    defender = getNextDefender(null, true);
+    let conquerCity = false;
+    let logWritten = false;
+
+    const attackerNationName =
+        (attackerUnit.getNationVar('name') as string | null) ?? 'UNKNOWN';
+    const attackerName = attackerUnit.getName();
+    const cityName = cityUnit.getName();
+    const seedText = input.seed ? `(전투시드: ${input.seed})` : '';
+
+    const josaRo = JosaUtil.pick(cityName, '로');
+    const josaYi = JosaUtil.pick(attackerName, '이');
+
+    attackerLogger.pushGlobalActionLog(
+        `<D><b>${attackerNationName}</b></>의 <Y>${attackerName}</>${josaYi} <G><b>${cityName}</b></>${josaRo} 진격합니다.${seedText}`,
+        LogFormat.MONTH
+    );
+    attackerLogger.pushGeneralActionLog(
+        `<G><b>${cityName}</b></>${josaRo} <M>진격</>합니다.${seedText}`,
+        LogFormat.MONTH
+    );
+
+    while (attackerUnit.getPhase() < attackerUnit.getMaxPhase()) {
+        logWritten = false;
+
+        if (!defender) {
+            defender = cityUnit;
+            cityUnit.setSiege();
+
+            const defenderRice = input.defenderNation?.rice ?? 0;
+            if (isSupplyCity(input.defenderCity) && defenderRice <= 0) {
+                attackerUnit.setOppose(defender);
+                defender.setOppose(attackerUnit);
+
+                attackerUnit.addTrain(1);
+
+                attackerUnit.addWin();
+                defender.addLose();
+                cityUnit.heavyDecreaseWealth();
+
+                attackerLogger.pushGlobalActionLog(
+                    `병량 부족으로 <G><b>${cityName}</b></>의 수비병들이 <R>패퇴</>합니다.`,
+                    LogFormat.MONTH
+                );
+
+                conquerCity = true;
+                break;
+            }
+        }
+
+        if (defender.getPhase() === 0 && !defender.getOppose()) {
+            defender.setPrePhase(attackerUnit.getPhase());
+
+            attackerUnit.addTrain(1);
+            defender.addTrain(1);
+
+            const attackerName = attackerUnit.getName();
+            const attackerCrewName = attackerUnit.getCrewTypeName();
+
+            if (defender instanceof WarUnitGeneral) {
+                const defenderName = defender.getName();
+                const defenderCrewName = defender.getCrewTypeName();
+
+                const josaWa = JosaUtil.pick(attackerCrewName, '와');
+                const josaYiDef = JosaUtil.pick(defenderCrewName, '이');
+                attackerLogger.pushGlobalActionLog(
+                    `<Y>${attackerName}</>의 ${attackerCrewName}${josaWa} <Y>${defenderName}</>의 ${defenderCrewName}${josaYiDef} 대결합니다.`,
+                    LogFormat.MONTH
+                );
+
+                const josaRo = JosaUtil.pick(attackerCrewName, '로');
+                const josaUl = JosaUtil.pick(defenderCrewName, '을');
+                attackerUnit.getLogger().pushGeneralActionLog(
+                    `${attackerCrewName}${josaRo} <Y>${defenderName}</>의 ${defenderCrewName}${josaUl} <M>공격</>합니다.`,
+                    LogFormat.MONTH
+                );
+
+                const defJosaRo = JosaUtil.pick(defenderCrewName, '로');
+                const defJosaUl = JosaUtil.pick(attackerCrewName, '을');
+                defender.getLogger().pushGeneralActionLog(
+                    `${defenderCrewName}${defJosaRo} <Y>${attackerName}</>의 ${attackerCrewName}${defJosaUl} <M>수비</>합니다.`,
+                    LogFormat.MONTH
+                );
+            } else {
+                const josaYiName = JosaUtil.pick(attackerName, '이');
+                const josaRoCrew = JosaUtil.pick(attackerCrewName, '로');
+                attackerLogger.pushGlobalActionLog(
+                    `<Y>${attackerName}</>${josaYiName} ${attackerCrewName}${josaRoCrew} 성벽을 공격합니다.`,
+                    LogFormat.MONTH
+                );
+                attackerLogger.pushGeneralActionLog(
+                    `${attackerCrewName}${josaRoCrew} 성벽을 <M>공격</>합니다.`,
+                    LogFormat.PLAIN
+                );
+            }
+
+            attackerUnit.setOppose(defender);
+            defender.setOppose(attackerUnit);
+
+            const initCaller = buildBattleInitTriggers(attackerUnit, triggerRegistry);
+            initCaller.merge(buildBattleInitTriggers(defender, triggerRegistry));
+            initCaller.fire(
+                { rng, attacker: attackerUnit, defender },
+                createWarTriggerEnv()
+            );
+        }
+
+        attackerUnit.beginPhase();
+        defender.beginPhase();
+
+        const battleCaller = buildBattlePhaseTriggers(attackerUnit, triggerRegistry);
+        battleCaller.merge(buildBattlePhaseTriggers(defender, triggerRegistry));
+        battleCaller.fire(
+            { rng, attacker: attackerUnit, defender },
+            createWarTriggerEnv()
+        );
+
+        let deadDefender = attackerUnit.calcDamage();
+        let deadAttacker = defender.calcDamage();
+
+        const attackerHP = attackerUnit.getHP();
+        const defenderHP = defender.getHP();
+
+        if (deadAttacker > attackerHP || deadDefender > defenderHP) {
+            const deadAttackerRatio = deadAttacker / Math.max(1, attackerHP);
+            const deadDefenderRatio = deadDefender / Math.max(1, defenderHP);
+
+            if (deadDefenderRatio > deadAttackerRatio) {
+                deadAttacker /= deadDefenderRatio;
+                deadDefender = defenderHP;
+            } else {
+                deadDefender /= deadAttackerRatio;
+                deadAttacker = attackerHP;
+            }
+        }
+
+        deadAttacker = Math.min(Math.ceil(deadAttacker), attackerHP);
+        deadDefender = Math.min(Math.ceil(deadDefender), defenderHP);
+
+        attackerUnit.decreaseHP(deadAttacker);
+        defender.decreaseHP(deadDefender);
+
+        attackerUnit.increaseKilled(deadDefender);
+        defender.increaseKilled(deadAttacker);
+
+        const phaseNickname = defender.getPhase() < 0
+            ? '先'
+            : `${attackerUnit.getPhase() + 1} `;
+
+        if (deadAttacker > 0 || deadDefender > 0) {
+            attackerUnit.getLogger().pushGeneralBattleDetailLog(
+                `${phaseNickname}: <Y1>【${attackerUnit.getName()}】</> <C>${attackerUnit.getHP()} (-${deadAttacker})</> VS <C>${defender.getHP()} (-${deadDefender})</> <Y1>【${defender.getName()}】</>`
+            );
+
+            defender.getLogger().pushGeneralBattleDetailLog(
+                `${phaseNickname}: <Y1>【${defender.getName()}】</> <C>${defender.getHP()} (-${deadDefender})</> VS <C>${attackerUnit.getHP()} (-${deadAttacker})</> <Y1>【${attackerUnit.getName()}】</>`
+            );
+        }
+
+        attackerUnit.addPhase();
+        defender.addPhase();
+
+        const attackerState = attackerUnit.continueWar();
+        if (!attackerState.canContinue) {
+            logWritten = true;
+
+            attackerUnit.logBattleResult();
+            defender.logBattleResult();
+
+            attackerUnit.addLose();
+            defender.addWin();
+
+            attackerUnit.tryWound();
+            defender.tryWound();
+
+            const josaYiCrew = JosaUtil.pick(attackerUnit.getCrewTypeName(), '이');
+            attackerLogger.pushGlobalActionLog(
+                `<Y>${attackerUnit.getName()}</>의 ${attackerUnit.getCrewTypeName()}${josaYiCrew} 퇴각했습니다.`,
+                LogFormat.MONTH
+            );
+            attackerUnit.getLogger().pushGeneralActionLog(
+                attackerState.noRice ? '군량 부족으로 퇴각합니다.' : '퇴각했습니다.',
+                LogFormat.PLAIN
+            );
+            defender.getLogger().pushGeneralActionLog(
+                `<Y>${attackerUnit.getName()}</>의 ${attackerUnit.getCrewTypeName()}${josaYiCrew} 퇴각했습니다.`,
+                LogFormat.PLAIN
+            );
+            break;
+        }
+
+        const defenderState = defender.continueWar();
+        if (!defenderState.canContinue) {
+            logWritten = true;
+
+            attackerUnit.logBattleResult();
+            defender.logBattleResult();
+
+            if (!(defender instanceof WarUnitCity) || defender.isSiege()) {
+                attackerUnit.addWin();
+                defender.addLose();
+
+                attackerUnit.tryWound();
+                defender.tryWound();
+
+                if (defender === cityUnit) {
+                    attackerUnit.addLevelExp(1000);
+                    conquerCity = true;
+                    break;
+                }
+            }
+
+            const josaYiDefCrew = JosaUtil.pick(defender.getCrewTypeName(), '이');
+
+            if (defender instanceof WarUnitCity && !defender.isSiege()) {
+                defender.setOppose(null);
+            } else if (defenderState.noRice) {
+                attackerLogger.pushGlobalActionLog(
+                    `<Y>${defender.getName()}</>의 ${defender.getCrewTypeName()}${josaYiDefCrew} 패퇴했습니다.`,
+                    LogFormat.MONTH
+                );
+                attackerUnit.getLogger().pushGeneralActionLog(
+                    `<Y>${defender.getName()}</>의 ${defender.getCrewTypeName()}${josaYiDefCrew} 패퇴했습니다.`,
+                    LogFormat.PLAIN
+                );
+                defender.getLogger().pushGeneralActionLog(
+                    '군량 부족으로 패퇴합니다.',
+                    LogFormat.PLAIN
+                );
+            } else {
+                attackerLogger.pushGlobalActionLog(
+                    `<Y>${defender.getName()}</>의 ${defender.getCrewTypeName()}${josaYiDefCrew} 전멸했습니다.`,
+                    LogFormat.MONTH
+                );
+                attackerUnit.getLogger().pushGeneralActionLog(
+                    `<Y>${defender.getName()}</>의 ${defender.getCrewTypeName()}${josaYiDefCrew} 전멸했습니다.`,
+                    LogFormat.PLAIN
+                );
+                defender.getLogger().pushGeneralActionLog(
+                    '전멸했습니다.',
+                    LogFormat.PLAIN
+                );
+            }
+
+            if (attackerUnit.getPhase() >= attackerUnit.getMaxPhase()) {
+                break;
+            }
+
+            defender.finishBattle();
+            defender = getNextDefender(defender, true);
+        }
+    }
+
+    if (!logWritten && defender) {
+        attackerUnit.logBattleResult();
+        defender.logBattleResult();
+
+        attackerUnit.tryWound();
+        defender.tryWound();
+    }
+
+    attackerUnit.finishBattle();
+    defender?.finishBattle();
+
+    if (cityUnit.getDead() > 0 || defender instanceof WarUnitCity) {
+        if (cityUnit !== defender) {
+            cityUnit.setOppose(attackerUnit);
+            cityUnit.setSiege();
+            cityUnit.finishBattle();
+        }
+
+        const newConflict = cityUnit.addConflict();
+        if (newConflict) {
+            const nationName = attackerUnit.getNationVar('name') as string;
+            const josaYiNation = JosaUtil.pick(nationName, '이');
+            attackerLogger.pushGlobalHistoryLog(
+                `<M><b>【분쟁】</b></><D><b>${nationName}</b></>${josaYiNation} <G><b>${cityName}</b></> 공략에 가담하여 분쟁이 발생하고 있습니다.`,
+                LogFormat.YEAR_MONTH
+            );
+        }
+    }
+
+    const logs = flushLoggers([
+        attackerLogger,
+        ...defenderGenerals.map((unit) => unit.getLogger()),
+    ]);
+
+    const reports: WarUnitReport[] = [
+        resolveUnitReport(attackerUnit),
+        ...defenderUnits.map(resolveUnitReport),
+        resolveUnitReport(cityUnit),
+    ];
+
+    return {
+        attacker: attackerUnit.getGeneral(),
+        defenders: defenderGenerals.map((unit) => unit.getGeneral()),
+        defenderCity: input.defenderCity,
+        logs,
+        conquered: conquerCity,
+        reports,
+    };
+};
diff --git a/packages/logic/src/war/index.ts b/packages/logic/src/war/index.ts
new file mode 100644
index 0000000..99a407f
--- /dev/null
+++ b/packages/logic/src/war/index.ts
@@ -0,0 +1,8 @@
+export * from './types.js';
+export * from './actions.js';
+export * from './engine.js';
+export * from './units.js';
+export * from './triggers.js';
+export * from './triggersChePilsal.js';
+export * from './crewType.js';
+export * from './utils.js';
diff --git a/packages/logic/src/war/triggers.ts b/packages/logic/src/war/triggers.ts
new file mode 100644
index 0000000..b122fed
--- /dev/null
+++ b/packages/logic/src/war/triggers.ts
@@ -0,0 +1,100 @@
+import type { RandUtil } from '@sammo-ts/common';
+
+import { TriggerCaller, type Trigger } from '../triggers/core.js';
+import type { WarUnit } from './units.js';
+
+export interface WarTriggerContext {
+    rng: RandUtil;
+    attacker: WarUnit;
+    defender: WarUnit;
+}
+
+export interface WarTriggerEnv {
+    e_attacker: Record<string, unknown>;
+    e_defender: Record<string, unknown>;
+    stopNextAction?: boolean;
+}
+
+export type WarTrigger = Trigger<WarTriggerContext, WarTriggerEnv>;
+
+export const createWarTriggerEnv = (): WarTriggerEnv => ({
+    e_attacker: {},
+    e_defender: {},
+});
+
+export class WarTriggerCaller extends TriggerCaller<WarTriggerContext, WarTriggerEnv> {}
+
+export type WarTriggerFactory = (unit: WarUnit) => WarTrigger | null;
+
+export type WarTriggerRegistry = Record<string, WarTriggerFactory>;
+
+// 전투 트리거 공통 베이스. 전투 유닛 기준으로 동작하며, env는 공격/수비 분리 상태를 유지한다.
+export abstract class BaseWarUnitTrigger implements WarTrigger {
+    public static readonly TYPE_NONE = 0;
+    public static readonly TYPE_ITEM = 1;
+    public static readonly TYPE_CONSUMABLE_ITEM = 1 | 2;
+    public static readonly TYPE_DEDUP_TYPE_BASE = 1024;
+
+    protected readonly raiseType: number;
+
+    protected constructor(
+        protected readonly unit: WarUnit,
+        public readonly priority: number,
+        raiseType = BaseWarUnitTrigger.TYPE_NONE
+    ) {
+        this.raiseType = raiseType;
+    }
+
+    get uniqueId(): string {
+        return `${this.priority}_${this.constructor.name}_${this.unit.getUnitId()}_${this.raiseType}`;
+    }
+
+    action(
+        context: WarTriggerContext,
+        env: WarTriggerEnv
+    ): WarTriggerEnv {
+        const nextEnv: WarTriggerEnv = {
+            e_attacker: env.e_attacker ?? {},
+            e_defender: env.e_defender ?? {},
+            ...(env.stopNextAction ? { stopNextAction: true } : {}),
+        };
+
+        if (nextEnv.stopNextAction) {
+            return nextEnv;
+        }
+
+        const self = this.unit;
+        const isAttacker = self.isAttacker();
+        const oppose = isAttacker ? context.defender : context.attacker;
+
+        const selfEnv = isAttacker ? nextEnv.e_attacker : nextEnv.e_defender;
+        const opposeEnv = isAttacker ? nextEnv.e_defender : nextEnv.e_attacker;
+
+        const shouldContinue = this.actionWar(self, oppose, selfEnv, opposeEnv);
+
+        nextEnv.e_attacker = isAttacker ? selfEnv : opposeEnv;
+        nextEnv.e_defender = isAttacker ? opposeEnv : selfEnv;
+
+        if (!shouldContinue) {
+            nextEnv.stopNextAction = true;
+        }
+
+        return nextEnv;
+    }
+
+    // 실제 트리거 구현부는 여기서 처리한다.
+    protected abstract actionWar(
+        self: WarUnit,
+        oppose: WarUnit,
+        selfEnv: Record<string, unknown>,
+        opposeEnv: Record<string, unknown>
+    ): boolean;
+
+    // 아이템 소모 트리거는 아직 미구현. 필요 시 raiseType을 활용해 확장 가능하다.
+    public processConsumableItem(): boolean {
+        if (!(this.raiseType & BaseWarUnitTrigger.TYPE_ITEM)) {
+            return false;
+        }
+        return false;
+    }
+}
diff --git a/packages/logic/src/war/triggersChePilsal.ts b/packages/logic/src/war/triggersChePilsal.ts
new file mode 100644
index 0000000..af00416
--- /dev/null
+++ b/packages/logic/src/war/triggersChePilsal.ts
@@ -0,0 +1,65 @@
+import { LogFormat } from '../logging/types.js';
+import { TriggerPriority } from '../triggers/core.js';
+import { BaseWarUnitTrigger } from './triggers.js';
+import { WarUnitGeneral, type WarUnit } from './units.js';
+
+// 기본 필살: 시도 단계
+export class ChePilsalAttemptTrigger extends BaseWarUnitTrigger {
+    constructor(unit: WarUnit) {
+        super(unit, TriggerPriority.Pre + 120);
+    }
+
+    protected actionWar(
+        self: WarUnit,
+        _oppose: WarUnit,
+        _selfEnv: Record<string, unknown>,
+        _opposeEnv: Record<string, unknown>
+    ): boolean {
+        if (!(self instanceof WarUnitGeneral)) {
+            return true;
+        }
+        if (self.hasActivatedSkill('특수')) {
+            return true;
+        }
+        if (self.hasActivatedSkill('필살불가')) {
+            return true;
+        }
+        if (!self.rng.nextBool(self.getComputedCriticalRatio())) {
+            return true;
+        }
+        self.activateSkill('필살시도', '필살');
+        return true;
+    }
+}
+
+// 기본 필살: 발동 단계
+export class ChePilsalActivateTrigger extends BaseWarUnitTrigger {
+    constructor(unit: WarUnit) {
+        super(unit, TriggerPriority.Post + 400);
+    }
+
+    protected actionWar(
+        self: WarUnit,
+        oppose: WarUnit,
+        selfEnv: Record<string, unknown>,
+        _opposeEnv: Record<string, unknown>
+    ): boolean {
+        if (!self.hasActivatedSkill('필살')) {
+            return true;
+        }
+        if (selfEnv['필살발동']) {
+            return true;
+        }
+        selfEnv['필살발동'] = true;
+
+        oppose
+            .getLogger()
+            .pushGeneralBattleDetailLog('상대의 <R>필살</>공격!</>', LogFormat.PLAIN);
+        self
+            .getLogger()
+            .pushGeneralBattleDetailLog('<C>필살</>공격!</>', LogFormat.PLAIN);
+
+        self.multiplyWarPowerMultiply(self.criticalDamage());
+        return true;
+    }
+}
diff --git a/packages/logic/src/war/types.ts b/packages/logic/src/war/types.ts
new file mode 100644
index 0000000..36937e2
--- /dev/null
+++ b/packages/logic/src/war/types.ts
@@ -0,0 +1,85 @@
+import type { RandUtil } from '@sammo-ts/common';
+
+import type {
+    City,
+    General,
+    GeneralTriggerState,
+    Nation,
+} from '../domain/entities.js';
+import type { ActionLogger } from '../logging/actionLogger.js';
+import type { LogEntryDraft } from '../logging/types.js';
+import type { UnitSetDefinition } from '../world/types.js';
+import type { WarActionModule } from './actions.js';
+import type { WarTriggerRegistry } from './triggers.js';
+
+export interface WarArmTypes {
+    footman?: number;
+    archer?: number;
+    cavalry?: number;
+    wizard?: number;
+    siege?: number;
+    misc?: number;
+    castle?: number;
+}
+
+export interface WarEngineConfig {
+    armPerPhase: number;
+    maxTrainByCommand: number;
+    maxAtmosByCommand: number;
+    maxTrainByWar: number;
+    maxAtmosByWar: number;
+    castleCrewTypeId: number;
+    armTypes: WarArmTypes;
+}
+
+export interface WarTimeContext {
+    year: number;
+    month: number;
+    startYear: number;
+}
+
+export interface WarGeneralInput<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState
+> {
+    general: General<TriggerState>;
+    city: City;
+    nation: Nation | null;
+    logger?: ActionLogger;
+    modules?: Array<WarActionModule<TriggerState> | null | undefined>;
+}
+
+export interface WarBattleInput<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState
+> {
+    seed?: string;
+    rng?: RandUtil;
+    unitSet: UnitSetDefinition;
+    config: WarEngineConfig;
+    time: WarTimeContext;
+    attacker: WarGeneralInput<TriggerState>;
+    defenders: WarGeneralInput<TriggerState>[];
+    defenderCity: City;
+    defenderNation: Nation | null;
+    triggerRegistry?: WarTriggerRegistry;
+    loggerFactory?: (options: { generalId?: number; nationId?: number }) => ActionLogger;
+}
+
+export interface WarUnitReport {
+    id: number | null;
+    type: 'general' | 'city';
+    name: string;
+    isAttacker: boolean;
+    killed: number;
+    dead: number;
+}
+
+export interface WarBattleOutcome<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState
+> {
+    attacker: General<TriggerState>;
+    defenders: General<TriggerState>[];
+    defenderCity: City;
+    logs: LogEntryDraft[];
+    conquered: boolean;
+    reports: WarUnitReport[];
+}
diff --git a/packages/logic/src/war/units.ts b/packages/logic/src/war/units.ts
new file mode 100644
index 0000000..3b3a4b8
--- /dev/null
+++ b/packages/logic/src/war/units.ts
@@ -0,0 +1,1043 @@
+import type { RandUtil } from '@sammo-ts/common';
+
+import type {
+    City,
+    General,
+    GeneralTriggerState,
+    Nation,
+    StatBlock,
+    TriggerValue,
+} from '../domain/entities.js';
+import type { ActionLogger } from '../logging/actionLogger.js';
+import { LogFormat } from '../logging/types.js';
+import { getTechAbility, getTechCost } from '../world/unitSet.js';
+import { WarActionPipeline, type WarActionContext } from './actions.js';
+import type { WarEngineConfig } from './types.js';
+import { WarCrewType } from './crewType.js';
+import {
+    clamp,
+    clampMin,
+    getDexLog,
+    getMetaNumber,
+    getMetaString,
+    increaseMetaNumber,
+    round,
+    sortConflict,
+    parseConflict,
+    stringifyConflict,
+} from './utils.js';
+
+const META_EXP_LEVEL = 'explevel';
+const META_TURN_TIME = 'turnTime';
+const META_RECENT_WAR = 'recentWar';
+const META_DEX_PREFIX = 'dex';
+const META_RANK_PREFIX = 'rank_';
+const META_INTEL_EXP = 'intelExp';
+const META_STRENGTH_EXP = 'strengthExp';
+const META_LEADERSHIP_EXP = 'leadershipExp';
+
+const RANK_WARNUM = `${META_RANK_PREFIX}warnum`;
+const RANK_KILLNUM = `${META_RANK_PREFIX}killnum`;
+const RANK_DEATHNUM = `${META_RANK_PREFIX}deathnum`;
+const RANK_OCCUPIED = `${META_RANK_PREFIX}occupied`;
+const RANK_KILLCREW = `${META_RANK_PREFIX}killcrew`;
+const RANK_DEATHCREW = `${META_RANK_PREFIX}deathcrew`;
+const RANK_KILLCREW_PERSON = `${META_RANK_PREFIX}killcrew_person`;
+const RANK_DEATHCREW_PERSON = `${META_RANK_PREFIX}deathcrew_person`;
+
+const WAR_CRITICAL_RANGE: [number, number] = [1.3, 2.0];
+
+const resolveNationTech = (nation: Nation | null): number =>
+    nation ? getMetaNumber(nation.meta, 'tech', 0) : 0;
+
+const resolveNationVar = (nation: Nation | null, key: string): TriggerValue | null => {
+    if (!nation) {
+        return null;
+    }
+    switch (key) {
+        case 'nation':
+            return nation.id;
+        case 'name':
+            return nation.name;
+        case 'capital':
+            return nation.capitalCityId ?? 0;
+        case 'gold':
+            return nation.gold;
+        case 'rice':
+            return nation.rice;
+        case 'tech':
+            return resolveNationTech(nation);
+        case 'type':
+            return nation.typeCode;
+        default:
+            return nation.meta[key] ?? null;
+    }
+};
+
+// 전투 유닛 공통 상태와 수치 계산(legacy WarUnit 계열 포팅).
+export abstract class WarUnit<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState
+> {
+    private static nextUnitId = 1;
+    private readonly unitId: number;
+
+    protected oppose: WarUnit<TriggerState> | null = null;
+    protected killedCurr = 0;
+    protected killed = 0;
+    protected deadCurr = 0;
+    protected dead = 0;
+
+    protected currPhase = 0;
+    protected prePhase = 0;
+    protected bonusPhase = 0;
+
+    protected atmosBonus = 0;
+    protected trainBonus = 0;
+
+    protected warPower = 0;
+    protected warPowerMultiply = 1;
+
+    protected activatedSkill: Record<string, boolean> = {};
+    protected logActivatedSkill: Record<string, number> = {};
+    protected isFinished = false;
+
+    protected constructor(
+        public readonly rng: RandUtil,
+        protected readonly config: WarEngineConfig,
+        protected readonly crewType: WarCrewType,
+        protected readonly logger: ActionLogger,
+        protected readonly attacker: boolean,
+        protected readonly nation: Nation | null
+    ) {
+        this.unitId = WarUnit.nextUnitId;
+        WarUnit.nextUnitId += 1;
+    }
+
+    // 전투 유닛 식별자(트리거 dedup에 사용).
+    public getUnitId(): number {
+        return this.unitId;
+    }
+
+    public getNationVar(key: string): TriggerValue | null {
+        return resolveNationVar(this.nation, key);
+    }
+
+    public getRawNation(): Nation | null {
+        return this.nation;
+    }
+
+    public getPhase(): number {
+        return this.currPhase;
+    }
+
+    public getRealPhase(): number {
+        return this.prePhase + this.currPhase;
+    }
+
+    public getCrewType(): WarCrewType {
+        return this.crewType;
+    }
+
+    public getCrewTypeName(): string {
+        return this.crewType.name;
+    }
+
+    public getCrewTypeShortName(): string {
+        return this.crewType.getShortName();
+    }
+
+    public getLogger(): ActionLogger {
+        return this.logger;
+    }
+
+    public getKilled(): number {
+        return this.killed;
+    }
+
+    public getDead(): number {
+        return this.dead;
+    }
+
+    public getKilledCurrentBattle(): number {
+        return this.killedCurr;
+    }
+
+    public getDeadCurrentBattle(): number {
+        return this.deadCurr;
+    }
+
+    public isAttacker(): boolean {
+        return this.attacker;
+    }
+
+    public getMaxPhase(): number {
+        return this.getCrewType().speed + this.bonusPhase;
+    }
+
+    public setPrePhase(phase: number): void {
+        this.prePhase = phase;
+    }
+
+    public addPhase(phase = 1): void {
+        this.currPhase += phase;
+    }
+
+    public addBonusPhase(count: number): void {
+        this.bonusPhase += count;
+    }
+
+    public setOppose(oppose: WarUnit<TriggerState> | null): void {
+        this.oppose = oppose;
+        this.killedCurr = 0;
+        this.deadCurr = 0;
+        this.clearActivatedSkill();
+    }
+
+    public getOppose(): WarUnit<TriggerState> | null {
+        return this.oppose;
+    }
+
+    public getWarPower(): number {
+        return this.warPower * this.warPowerMultiply;
+    }
+
+    public getWarPowerMultiply(): number {
+        return this.warPowerMultiply;
+    }
+
+    public setWarPowerMultiply(multiply = 1): void {
+        this.warPowerMultiply = multiply;
+    }
+
+    public multiplyWarPowerMultiply(multiply: number): void {
+        this.warPowerMultiply *= multiply;
+    }
+
+    public getRawWarPower(): number {
+        return this.warPower;
+    }
+
+    protected clearActivatedSkill(): void {
+        for (const [skillName, state] of Object.entries(this.activatedSkill)) {
+            if (!state) {
+                continue;
+            }
+            this.logActivatedSkill[skillName] =
+                (this.logActivatedSkill[skillName] ?? 0) + 1;
+        }
+        this.activatedSkill = {};
+    }
+
+    public hasActivatedSkill(skillName: string): boolean {
+        return Boolean(this.activatedSkill[skillName]);
+    }
+
+    public hasActivatedSkillOnLog(skillName: string): number {
+        return (this.logActivatedSkill[skillName] ?? 0) +
+            (this.hasActivatedSkill(skillName) ? 1 : 0);
+    }
+
+    public activateSkill(...skillNames: string[]): void {
+        for (const skillName of skillNames) {
+            this.activatedSkill[skillName] = true;
+        }
+    }
+
+    public deactivateSkill(...skillNames: string[]): void {
+        for (const skillName of skillNames) {
+            this.activatedSkill[skillName] = false;
+        }
+    }
+
+    public beginPhase(): void {
+        this.clearActivatedSkill();
+        this.computeWarPower();
+    }
+
+    public computeWarPower(): [number, number] {
+        const oppose = this.getOppose();
+        if (!oppose) {
+            return [0, 1];
+        }
+
+        const myAttack = this.getComputedAttack();
+        const opposeDef = oppose.getComputedDefence();
+
+        let warPower = this.config.armPerPhase + myAttack - opposeDef;
+        let opposeWarPowerMultiply = 1;
+
+        if (warPower < 100) {
+            warPower = clampMin(warPower, 0);
+            warPower = (warPower + 100) / 2;
+            warPower = this.rng.nextRangeInt(warPower, 100);
+        }
+
+        warPower *= this.getComputedAtmos();
+        warPower /= oppose.getComputedTrain();
+
+        const myDex = this.getDex(this.getCrewType());
+        const opposeDex = oppose.getDex(this.getCrewType());
+        warPower *= getDexLog(myDex, opposeDex);
+
+        warPower *= this.getCrewType().getAttackCoef(oppose.getCrewType());
+        opposeWarPowerMultiply *= this.getCrewType().getDefenceCoef(
+            oppose.getCrewType()
+        );
+
+        this.warPower = warPower;
+        oppose.setWarPowerMultiply(opposeWarPowerMultiply);
+
+        return [warPower, opposeWarPowerMultiply];
+    }
+
+    public addTrain(_train: number): void {
+        return;
+    }
+
+    public addAtmos(_atmos: number): void {
+        return;
+    }
+
+    public addTrainBonus(trainBonus: number): void {
+        this.trainBonus += trainBonus;
+    }
+
+    public addAtmosBonus(atmosBonus: number): void {
+        this.atmosBonus += atmosBonus;
+    }
+
+    public getComputedTrain(): number {
+        return this.config.maxTrainByCommand;
+    }
+
+    public getComputedAtmos(): number {
+        return this.config.maxAtmosByCommand;
+    }
+
+    public getComputedCriticalRatio(): number {
+        return 0;
+    }
+
+    public getComputedAvoidRatio(): number {
+        return this.getCrewType().avoid / 100;
+    }
+
+    public addWin(): void {
+        return;
+    }
+
+    public addLose(): void {
+        return;
+    }
+
+    public calcDamage(): number {
+        const warPower = this.getWarPower() * this.rng.nextRange(0.9, 1.1);
+        return round(warPower);
+    }
+
+    public criticalDamage(): number {
+        return this.rng.nextRange(...WAR_CRITICAL_RANGE);
+    }
+
+    public logBattleResult(): void {
+        const oppose = this.getOppose();
+        if (!oppose || !this.logger) {
+            return;
+        }
+
+        const warTypeStr = this.isAttacker() ? '→' : '←';
+        const message = `${this.getCrewTypeShortName()} ${this.getName()} ${warTypeStr} ${oppose.getCrewTypeShortName()} ${oppose.getName()} (${this.getHP()} / ${oppose.getHP()})`;
+        this.logger.pushGeneralBattleResultLog(message, LogFormat.EVENT_YEAR_MONTH);
+        this.logger.pushGeneralBattleDetailLog(message, LogFormat.EVENT_YEAR_MONTH);
+        this.logger.pushGeneralActionLog(message, LogFormat.EVENT_YEAR_MONTH);
+    }
+
+    public tryWound(): boolean {
+        return false;
+    }
+
+    public continueWar(): { canContinue: boolean; noRice: boolean } {
+        return { canContinue: false, noRice: false };
+    }
+
+    public abstract getName(): string;
+
+    public abstract getDex(crewType: WarCrewType): number;
+
+    public abstract getComputedAttack(): number;
+
+    public abstract getComputedDefence(): number;
+
+    public abstract getHP(): number;
+
+    public abstract decreaseHP(damage: number): number;
+
+    public abstract increaseKilled(damage: number): number;
+
+    public abstract finishBattle(): void;
+}
+
+// 장수 전투 유닛(legacy WarUnitGeneral 포팅).
+export class WarUnitGeneral<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState
+> extends WarUnit<TriggerState> {
+    private readonly actionPipeline: WarActionPipeline<TriggerState>;
+    private killedPerson = 0;
+    private deadPerson = 0;
+
+    constructor(
+        rng: RandUtil,
+        config: WarEngineConfig,
+        private readonly general: General<TriggerState>,
+        private readonly city: City,
+        nation: Nation | null,
+        isAttacker: boolean,
+        crewType: WarCrewType,
+        logger: ActionLogger,
+        pipeline: WarActionPipeline<TriggerState>
+    ) {
+        super(rng, config, crewType, logger, isAttacker, nation);
+        this.actionPipeline = pipeline;
+
+        if (isAttacker) {
+            if (this.city.level === 2) {
+                this.atmosBonus += 5;
+            }
+            if (nation && nation.capitalCityId === this.city.id) {
+                this.atmosBonus += 5;
+            }
+        } else {
+            if (this.city.level === 1 || this.city.level === 3) {
+                this.trainBonus += 5;
+            }
+        }
+    }
+
+    public getGeneral(): General<TriggerState> {
+        return this.general;
+    }
+
+    public getActionContext(): WarActionContext<TriggerState> {
+        return {
+            general: this.general,
+            nation: this.nation,
+            city: this.city,
+            log: this.logger,
+            rng: this.rng,
+        };
+    }
+
+    public getActionPipeline(): WarActionPipeline<TriggerState> {
+        return this.actionPipeline;
+    }
+
+    public override getName(): string {
+        return this.general.name;
+    }
+
+    public getCityVar(key: keyof City): TriggerValue | null {
+        const value = this.city[key];
+        if (typeof value === 'number' || typeof value === 'string') {
+            return value;
+        }
+        return null;
+    }
+
+    public override setOppose(oppose: WarUnit<TriggerState> | null): void {
+        super.setOppose(oppose);
+        increaseMetaNumber(this.general.meta, RANK_WARNUM, 1);
+
+        if (!oppose) {
+            return;
+        }
+
+        const baseTurnTime = this.isAttacker()
+            ? getMetaString(this.general.meta, META_TURN_TIME)
+            : oppose instanceof WarUnitGeneral
+                ? getMetaString(oppose.general.meta, META_TURN_TIME)
+                : getMetaString(this.general.meta, META_TURN_TIME);
+        if (!baseTurnTime) {
+            return;
+        }
+
+        const base = baseTurnTime.slice(0, Math.max(0, baseTurnTime.length - 2));
+        const phase = clamp(this.getRealPhase(), 0, 99);
+        const phaseText = phase.toString().padStart(2, '0');
+        this.general.meta[META_RECENT_WAR] = `${base}${phaseText}`;
+    }
+
+    public override getMaxPhase(): number {
+        const base = this.getCrewType().speed;
+        const aux = { isAttacker: this.isAttacker() };
+        const context = this.getActionContext();
+        const phase = this.actionPipeline.onCalcStat(
+            context,
+            'initWarPhase',
+            base,
+            aux
+        );
+        return phase + this.bonusPhase;
+    }
+
+    private resolveStatValue(statName: keyof StatBlock, base: number): number {
+        return this.actionPipeline.onCalcStat(
+            this.getActionContext(),
+            statName,
+            base
+        );
+    }
+
+    private resolveMainStat(armType: number): number {
+        const leadership = this.resolveStatValue(
+            'leadership',
+            this.general.stats.leadership
+        );
+        const strength = this.resolveStatValue(
+            'strength',
+            this.general.stats.strength
+        );
+        const intelligence = this.resolveStatValue(
+            'intelligence',
+            this.general.stats.intelligence
+        );
+
+        if (armType === this.config.armTypes.wizard) {
+            return intelligence;
+        }
+        if (armType === this.config.armTypes.siege) {
+            return leadership;
+        }
+        if (armType === this.config.armTypes.misc) {
+            return (intelligence + leadership + strength) / 3;
+        }
+        return strength;
+    }
+
+    private resolveOpposeStatValue(
+        statName: string,
+        value: number,
+        aux?: Record<string, unknown>
+    ): number {
+        const oppose = this.getOppose();
+        if (!(oppose instanceof WarUnitGeneral)) {
+            return value;
+        }
+        return oppose
+            .getActionPipeline()
+            .onCalcOpposeStat(this.getActionContext(), statName, value, aux);
+    }
+
+    public override getDex(crewType: WarCrewType): number {
+        const armType =
+            crewType.armType === this.config.armTypes.castle
+                ? this.config.armTypes.siege ?? crewType.armType
+                : crewType.armType;
+        const base = getMetaNumber(this.general.meta, `${META_DEX_PREFIX}${armType}`);
+        const aux = {
+            isAttacker: this.isAttacker(),
+            opposeType: this.oppose?.getCrewType() ?? null,
+        };
+        let dex = this.actionPipeline.onCalcStat(
+            this.getActionContext(),
+            `dex${armType}`,
+            base,
+            aux
+        );
+        dex = this.resolveOpposeStatValue(`dex${armType}`, dex, aux);
+        return dex;
+    }
+
+    public override getComputedAttack(): number {
+        const tech = resolveNationTech(this.nation);
+        const armType = this.getCrewType().armType;
+        const mainStat = this.resolveMainStat(armType);
+        let ratio = mainStat * 2 - 40;
+
+        ratio = clampMin(ratio, 10);
+        if (ratio > 100) {
+            ratio = 50 + ratio / 2;
+        }
+
+        const attack = this.getCrewType().attack + getTechAbility(tech);
+        return attack * (ratio / 100);
+    }
+
+    public override getComputedDefence(): number {
+        const tech = resolveNationTech(this.nation);
+        const defence = this.getCrewType().defence + getTechAbility(tech);
+        const crew = this.general.crew / (7000 / 30) + 70;
+        return defence * (crew / 100);
+    }
+
+    public override getComputedTrain(): number {
+        const aux = { isAttacker: this.isAttacker() };
+        let train = this.actionPipeline.onCalcStat(
+            this.getActionContext(),
+            'bonusTrain',
+            this.general.train,
+            aux
+        );
+        train = this.resolveOpposeStatValue('bonusTrain', train, aux);
+        train += this.trainBonus;
+        return train;
+    }
+
+    public override getComputedAtmos(): number {
+        const aux = { isAttacker: this.isAttacker() };
+        let atmos = this.actionPipeline.onCalcStat(
+            this.getActionContext(),
+            'bonusAtmos',
+            this.general.atmos,
+            aux
+        );
+        atmos = this.resolveOpposeStatValue('bonusAtmos', atmos, aux);
+        atmos += this.atmosBonus;
+        return atmos;
+    }
+
+    public override getComputedCriticalRatio(): number {
+        const armType = this.getCrewType().armType;
+        if (armType === this.config.armTypes.castle) {
+            return 0;
+        }
+
+        const mainStat = this.resolveMainStat(armType);
+        const coef =
+            armType === this.config.armTypes.wizard ||
+            armType === this.config.armTypes.siege ||
+            armType === this.config.armTypes.misc
+                ? 0.4
+                : 0.5;
+
+        let ratio = clampMin(mainStat - 65, 0) * coef;
+        ratio = Math.min(50, ratio) / 100;
+
+        const aux = { isAttacker: this.isAttacker() };
+        ratio = this.actionPipeline.onCalcStat(
+            this.getActionContext(),
+            'warCriticalRatio',
+            ratio,
+            aux
+        );
+        ratio = this.resolveOpposeStatValue('warCriticalRatio', ratio, aux);
+        return ratio;
+    }
+
+    public override getComputedAvoidRatio(): number {
+        const oppose = this.getOppose();
+        let avoidRatio = this.getCrewType().avoid / 100;
+        avoidRatio *= this.getComputedTrain() / 100;
+
+        const aux = { isAttacker: this.isAttacker() };
+        avoidRatio = this.actionPipeline.onCalcStat(
+            this.getActionContext(),
+            'warAvoidRatio',
+            avoidRatio,
+            aux
+        );
+        avoidRatio = this.resolveOpposeStatValue('warAvoidRatio', avoidRatio, aux);
+
+        if (
+            oppose &&
+            oppose.getCrewType().armType === this.config.armTypes.footman
+        ) {
+            avoidRatio *= 0.75;
+        }
+
+        return avoidRatio;
+    }
+
+    public override addTrain(train: number): void {
+        this.general.train = clamp(
+            this.general.train + train,
+            0,
+            this.config.maxTrainByWar
+        );
+    }
+
+    public override addAtmos(atmos: number): void {
+        this.general.atmos = clamp(
+            this.general.atmos + atmos,
+            0,
+            this.config.maxAtmosByWar
+        );
+    }
+
+    public override addWin(): void {
+        increaseMetaNumber(this.general.meta, RANK_KILLNUM, 1);
+
+        if (this.oppose instanceof WarUnitCity) {
+            increaseMetaNumber(this.general.meta, RANK_OCCUPIED, 1);
+        }
+
+        const atmosMultiplier = this.isAttacker() ? 1.1 : 1.05;
+        this.general.atmos = clamp(
+            Math.round(this.general.atmos * atmosMultiplier),
+            0,
+            this.config.maxAtmosByWar
+        );
+
+        this.addStatExp(1);
+    }
+
+    public override addLose(): void {
+        increaseMetaNumber(this.general.meta, RANK_DEATHNUM, 1);
+        this.addStatExp(1);
+    }
+
+    public addStatExp(value = 1): void {
+        const armType = this.getCrewType().armType;
+        if (armType === this.config.armTypes.wizard) {
+            increaseMetaNumber(this.general.meta, META_INTEL_EXP, value);
+            return;
+        }
+        if (armType === this.config.armTypes.siege) {
+            increaseMetaNumber(this.general.meta, META_LEADERSHIP_EXP, value);
+            return;
+        }
+        increaseMetaNumber(this.general.meta, META_STRENGTH_EXP, value);
+    }
+
+    public addLevelExp(value: number): void {
+        const adjust = this.isAttacker() ? value : value * 0.8;
+        this.general.experience += adjust;
+    }
+
+    public addDedication(value: number): void {
+        this.general.dedication += value;
+    }
+
+    public addDex(crewType: WarCrewType, exp: number): void {
+        const armType = crewType.armType;
+        const key = `${META_DEX_PREFIX}${armType}`;
+        const base = getMetaNumber(this.general.meta, key);
+        this.general.meta[key] = round(base + exp);
+    }
+
+    public calcRiceConsumption(damage: number): number {
+        let rice = damage / 100;
+        if (!this.isAttacker()) {
+            rice *= 0.8;
+        }
+        if (this.oppose instanceof WarUnitCity) {
+            rice *= 0.8;
+        }
+        rice *= this.getCrewType().rice;
+        rice *= getTechCost(resolveNationTech(this.nation));
+        rice = this.actionPipeline.onCalcStat(
+            this.getActionContext(),
+            'killRice',
+            rice
+        );
+        return rice;
+    }
+
+    public override increaseKilled(damage: number): number {
+        this.addLevelExp(damage / 50);
+
+        const rice = this.calcRiceConsumption(damage);
+        this.general.rice = clampMin(this.general.rice - rice, 0);
+
+        let addDex = damage;
+        if (!this.isAttacker()) {
+            addDex *= 0.8;
+        }
+        this.addDex(this.getCrewType(), addDex);
+
+        this.killed += damage;
+        this.killedCurr += damage;
+
+        if (this.oppose instanceof WarUnitGeneral) {
+            this.killedPerson += damage;
+        }
+        return this.killed;
+    }
+
+    public override getHP(): number {
+        return this.general.crew;
+    }
+
+    public override decreaseHP(damage: number): number {
+        const maxDamage = Math.min(damage, this.general.crew);
+
+        this.dead += maxDamage;
+        this.deadCurr += maxDamage;
+        this.general.crew -= maxDamage;
+
+        let addDex = maxDamage;
+        if (!this.isAttacker()) {
+            addDex *= 0.1;
+        }
+        if (this.oppose) {
+            this.addDex(this.oppose.getCrewType(), addDex);
+        }
+
+        if (this.oppose instanceof WarUnitGeneral) {
+            this.deadPerson += maxDamage;
+        }
+
+        return this.general.crew;
+    }
+
+    public override computeWarPower(): [number, number] {
+        const [warPower, opposeWarPowerMultiply] = super.computeWarPower();
+        const oppose = this.getOppose();
+        if (!oppose) {
+            return [warPower, opposeWarPowerMultiply];
+        }
+
+        const expLevel = getMetaNumber(this.general.meta, META_EXP_LEVEL, 0);
+        let nextWarPower = warPower;
+        let nextOpposeMultiply = opposeWarPowerMultiply;
+
+        if (oppose instanceof WarUnitCity) {
+            nextWarPower *= 1 + expLevel / 600;
+        } else {
+            const ratio = clampMin(1 - expLevel / 300, 0.01);
+            nextWarPower /= ratio;
+            nextOpposeMultiply *= ratio;
+        }
+
+        const [myMul, opposeMul] = this.actionPipeline.getWarPowerMultiplier(
+            this.getActionContext(),
+            this,
+            oppose
+        );
+        nextWarPower *= myMul;
+        nextOpposeMultiply *= opposeMul;
+
+        this.warPower = nextWarPower;
+        oppose.setWarPowerMultiply(nextOpposeMultiply);
+        return [nextWarPower, nextOpposeMultiply];
+    }
+
+    public override criticalDamage(): number {
+        let range: [number, number] = WAR_CRITICAL_RANGE;
+        range = this.actionPipeline.onCalcStat(
+            this.getActionContext(),
+            'criticalDamageRange',
+            range
+        );
+        return this.rng.nextRange(...range);
+    }
+
+    public override tryWound(): boolean {
+        if (this.hasActivatedSkillOnLog('부상무효')) {
+            return false;
+        }
+        if (this.hasActivatedSkillOnLog('퇴각부상무효')) {
+            return false;
+        }
+        if (!this.rng.nextBool(0.05)) {
+            return false;
+        }
+
+        this.activateSkill('부상');
+        this.general.injury = clamp(
+            this.general.injury + this.rng.nextRangeInt(10, 80),
+            0,
+            80
+        );
+        this.logger.pushGeneralActionLog('전투중 <R>부상</>당했다!', LogFormat.PLAIN);
+        return true;
+    }
+
+    public override continueWar(): { canContinue: boolean; noRice: boolean } {
+        if (this.general.crew <= 0) {
+            return { canContinue: false, noRice: false };
+        }
+        if (this.general.rice <= this.general.crew / 100) {
+            return { canContinue: false, noRice: true };
+        }
+        return { canContinue: true, noRice: false };
+    }
+
+    public override finishBattle(): void {
+        if (this.isFinished) {
+            return;
+        }
+        this.clearActivatedSkill();
+        this.isFinished = true;
+
+        increaseMetaNumber(this.general.meta, RANK_KILLCREW, this.killed);
+        increaseMetaNumber(this.general.meta, RANK_DEATHCREW, this.dead);
+
+        if (this.killedPerson) {
+            increaseMetaNumber(
+                this.general.meta,
+                RANK_KILLCREW_PERSON,
+                this.killedPerson
+            );
+        }
+        if (this.deadPerson) {
+            increaseMetaNumber(
+                this.general.meta,
+                RANK_DEATHCREW_PERSON,
+                this.deadPerson
+            );
+        }
+
+        this.general.rice = round(this.general.rice);
+        this.general.experience = round(this.general.experience);
+        this.general.dedication = round(this.general.dedication);
+    }
+}
+
+// 도시 성벽 전투 유닛(legacy WarUnitCity 포팅).
+export class WarUnitCity extends WarUnit {
+    private hp: number;
+    private cityTrainAtmos: number;
+    private onSiege = false;
+
+    constructor(
+        rng: RandUtil,
+        config: WarEngineConfig,
+        private readonly city: City,
+        nation: Nation | null,
+        crewType: WarCrewType,
+        logger: ActionLogger,
+        year: number,
+        startYear: number
+    ) {
+        super(rng, config, crewType, logger, false, nation);
+        this.cityTrainAtmos = clamp(year - startYear + 59, 60, 110);
+        this.hp = this.city.defence * 10;
+
+        if (this.city.level === 1 || this.city.level === 3) {
+            this.trainBonus += 5;
+        }
+    }
+
+    public getCityTrainAtmos(): number {
+        return this.cityTrainAtmos;
+    }
+
+    public getCityId(): number {
+        return this.city.id;
+    }
+
+    public override getName(): string {
+        return this.city.name;
+    }
+
+    public override getComputedAttack(): number {
+        return (this.city.defence + this.city.wall * 9) / 500 + 200;
+    }
+
+    public override getComputedDefence(): number {
+        return (this.city.defence + this.city.wall * 9) / 500 + 200;
+    }
+
+    public override increaseKilled(damage: number): number {
+        this.killed += damage;
+        this.killedCurr += damage;
+        return this.killed;
+    }
+
+    public override getComputedTrain(): number {
+        return this.cityTrainAtmos + this.trainBonus;
+    }
+
+    public override getComputedAtmos(): number {
+        return this.cityTrainAtmos + this.atmosBonus;
+    }
+
+    public override getHP(): number {
+        return this.hp;
+    }
+
+    public setSiege(): void {
+        this.onSiege = true;
+        this.currPhase = 0;
+        this.prePhase = 0;
+        this.bonusPhase = 0;
+        this.isFinished = false;
+    }
+
+    public isSiege(): boolean {
+        return this.onSiege;
+    }
+
+    public override getDex(_crewType: WarCrewType): number {
+        return (this.cityTrainAtmos - 60) * 7200;
+    }
+
+    public override decreaseHP(damage: number): number {
+        const applied = Math.min(damage, this.hp);
+        this.dead += applied;
+        this.deadCurr += applied;
+        this.hp -= applied;
+
+        this.city.wall = clampMin(this.city.wall - applied / 20, 0);
+        return this.hp;
+    }
+
+    public override continueWar(): { canContinue: boolean; noRice: boolean } {
+        if (!this.onSiege) {
+            return { canContinue: false, noRice: false };
+        }
+        if (this.hp <= 0) {
+            return { canContinue: false, noRice: false };
+        }
+        return { canContinue: true, noRice: false };
+    }
+
+    public heavyDecreaseWealth(): void {
+        this.city.agriculture = round(this.city.agriculture * 0.5);
+        this.city.commerce = round(this.city.commerce * 0.5);
+        this.city.security = round(this.city.security * 0.5);
+    }
+
+    public override finishBattle(): void {
+        this.clearActivatedSkill();
+        this.isFinished = true;
+
+        this.city.defence = round(this.hp / 10);
+        this.city.wall = round(this.city.wall);
+
+        // legacy에서는 onSiege 전투로 끝난 경우에만 추가 피해 처리했지만,
+        // 실제 구현은 이미 return 되도록 되어 있어 그대로 유지한다.
+        if (this.isFinished || !this.onSiege) {
+            return;
+        }
+
+        const decWealth = this.getKilled() / 20;
+        this.city.agriculture = clampMin(this.city.agriculture - decWealth, 0);
+        this.city.commerce = clampMin(this.city.commerce - decWealth, 0);
+        this.city.security = clampMin(this.city.security - decWealth, 0);
+    }
+
+    public addConflict(): boolean {
+        const raw = this.city.meta.conflict;
+        const conflict = parseConflict(raw) ?? {};
+        const oppose = this.getOppose();
+
+        const nationId = oppose?.getNationVar('nation');
+        if (typeof nationId !== 'number') {
+            return false;
+        }
+
+        let dead = Math.max(1, this.dead);
+        let isNew = false;
+
+        if (Object.keys(conflict).length === 0 || this.getHP() === 0) {
+            dead *= 1.05;
+        }
+
+        if (conflict[nationId] !== undefined) {
+            conflict[nationId] += dead;
+        } else {
+            conflict[nationId] = dead;
+            isNew = true;
+        }
+
+        const sorted = sortConflict(conflict);
+        this.city.meta.conflict = stringifyConflict(sorted);
+
+        return isNew;
+    }
+
+    public override logBattleResult(): void {
+        return;
+    }
+}
diff --git a/packages/logic/src/war/utils.ts b/packages/logic/src/war/utils.ts
new file mode 100644
index 0000000..8eaa2dd
--- /dev/null
+++ b/packages/logic/src/war/utils.ts
@@ -0,0 +1,156 @@
+import type { TriggerValue } from '../domain/entities.js';
+
+const DEX_LEVEL_THRESHOLDS = [
+    0,
+    350,
+    1375,
+    3500,
+    7125,
+    12650,
+    20475,
+    31000,
+    44625,
+    61750,
+    82775,
+    108100,
+    138125,
+    173250,
+    213875,
+    260400,
+    313225,
+    372750,
+    439375,
+    513500,
+    595525,
+    685850,
+    784875,
+    893000,
+    1010625,
+    1138150,
+    1275975,
+];
+
+export const clamp = (value: number, min: number, max: number): number =>
+    Math.max(min, Math.min(value, max));
+
+export const clampMin = (value: number, min: number): number =>
+    value < min ? min : value;
+
+export const clampMax = (value: number, max: number): number =>
+    value > max ? max : value;
+
+export const round = (value: number): number => Math.round(value);
+
+export const getMetaNumber = (
+    meta: Record<string, TriggerValue>,
+    key: string,
+    fallback = 0
+): number => {
+    const value = meta[key];
+    return typeof value === 'number' && Number.isFinite(value) ? value : fallback;
+};
+
+export const getMetaString = (
+    meta: Record<string, TriggerValue>,
+    key: string
+): string | null => {
+    const value = meta[key];
+    return typeof value === 'string' ? value : null;
+};
+
+export const setMetaNumber = (
+    meta: Record<string, TriggerValue>,
+    key: string,
+    value: number
+): void => {
+    meta[key] = round(value);
+};
+
+export const increaseMetaNumber = (
+    meta: Record<string, TriggerValue>,
+    key: string,
+    delta: number
+): number => {
+    const next = getMetaNumber(meta, key) + delta;
+    meta[key] = round(next);
+    return next;
+};
+
+export const getDexLevel = (dex: number): number => {
+    if (!Number.isFinite(dex) || dex < 0) {
+        return 0;
+    }
+
+    let level = 0;
+    for (let idx = 0; idx < DEX_LEVEL_THRESHOLDS.length; idx += 1) {
+        const threshold = DEX_LEVEL_THRESHOLDS[idx]!;
+        if (dex < threshold) {
+            break;
+        }
+        level = idx;
+    }
+    return level;
+};
+
+export const getDexLog = (dex1: number, dex2: number): number =>
+    (getDexLevel(dex1) - getDexLevel(dex2)) / 55 + 1;
+
+export const parseConflict = (
+    raw: TriggerValue | undefined
+): Record<number, number> | null => {
+    if (raw === undefined || raw === null) {
+        return null;
+    }
+    if (typeof raw === 'string') {
+        try {
+            const parsed = JSON.parse(raw) as Record<string, number>;
+            const result: Record<number, number> = {};
+            for (const [key, value] of Object.entries(parsed)) {
+                const id = Number(key);
+                if (!Number.isFinite(id) || typeof value !== 'number') {
+                    continue;
+                }
+                result[id] = value;
+            }
+            return Object.keys(result).length ? result : null;
+        } catch {
+            return null;
+        }
+    }
+    return null;
+};
+
+export const stringifyConflict = (
+    conflict: Record<number, number> | null
+): string => {
+    if (!conflict) {
+        return '{}';
+    }
+    const sorted = Object.entries(conflict)
+        .map(([key, value]) => [Number(key), value] as const)
+        .filter(([key, value]) => Number.isFinite(key) && typeof value === 'number')
+        .sort(([, lhs], [, rhs]) => rhs - lhs);
+
+    const ordered: Record<string, number> = {};
+    for (const [key, value] of sorted) {
+        ordered[String(key)] = value;
+    }
+
+    return JSON.stringify(ordered);
+};
+
+export const sortConflict = (
+    conflict: Record<number, number>
+): Record<number, number> => {
+    const ordered: Record<number, number> = {};
+    const entries = Object.entries(conflict)
+        .map(([key, value]) => [Number(key), value] as const)
+        .filter(([key, value]) => Number.isFinite(key) && typeof value === 'number')
+        .sort(([, lhs], [, rhs]) => rhs - lhs);
+
+    for (const [key, value] of entries) {
+        ordered[key] = value;
+    }
+
+    return ordered;
+};
diff --git a/packages/logic/test/warEngine.test.ts b/packages/logic/test/warEngine.test.ts
new file mode 100644
index 0000000..7f96f0f
--- /dev/null
+++ b/packages/logic/test/warEngine.test.ts
@@ -0,0 +1,237 @@
+import { describe, expect, it } from 'vitest';
+
+import { ConstantRNG, RandUtil } from '@sammo-ts/common';
+
+import type { City, General, Nation } from '../src/domain/entities.js';
+import type { UnitSetDefinition } from '../src/world/types.js';
+import { ActionLogger } from '../src/logging/actionLogger.js';
+import { WarActionPipeline } from '../src/war/actions.js';
+import { resolveWarBattle } from '../src/war/engine.js';
+import type { WarEngineConfig } from '../src/war/types.js';
+import { WarCrewType } from '../src/war/crewType.js';
+import { ChePilsalActivateTrigger, ChePilsalAttemptTrigger } from '../src/war/triggersChePilsal.js';
+import { WarUnitCity, WarUnitGeneral } from '../src/war/units.js';
+
+const buildConfig = (): WarEngineConfig => ({
+    armPerPhase: 500,
+    maxTrainByCommand: 100,
+    maxAtmosByCommand: 100,
+    maxTrainByWar: 110,
+    maxAtmosByWar: 150,
+    castleCrewTypeId: 999,
+    armTypes: {
+        footman: 1,
+        wizard: 4,
+        siege: 5,
+        misc: 6,
+        castle: 9,
+    },
+});
+
+const buildUnitSet = (): UnitSetDefinition => ({
+    id: 'test',
+    name: 'test',
+    crewTypes: [
+        {
+            id: 100,
+            armType: 1,
+            name: '보병',
+            attack: 100,
+            defence: 100,
+            speed: 7,
+            avoid: 10,
+            magicCoef: 0,
+            cost: 9,
+            rice: 9,
+            requirements: [],
+            attackCoef: {},
+            defenceCoef: {},
+            info: [],
+            initSkillTrigger: null,
+            phaseSkillTrigger: null,
+            iActionList: null,
+        },
+        {
+            id: 999,
+            armType: 9,
+            name: '성벽',
+            attack: 0,
+            defence: 0,
+            speed: 1,
+            avoid: 0,
+            magicCoef: 0,
+            cost: 0,
+            rice: 0,
+            requirements: [],
+            attackCoef: {},
+            defenceCoef: {},
+            info: [],
+            initSkillTrigger: null,
+            phaseSkillTrigger: null,
+            iActionList: null,
+        },
+    ],
+});
+
+const buildNation = (): Nation => ({
+    id: 1,
+    name: 'TestNation',
+    color: '#000000',
+    capitalCityId: 1,
+    chiefGeneralId: null,
+    gold: 1000,
+    rice: 1000,
+    power: 0,
+    level: 1,
+    typeCode: 'test',
+    meta: {
+        tech: 3000,
+    },
+});
+
+const buildCity = (): City => ({
+    id: 1,
+    name: 'TestCity',
+    nationId: 1,
+    level: 2,
+    population: 10000,
+    populationMax: 10000,
+    agriculture: 500,
+    agricultureMax: 1000,
+    commerce: 500,
+    commerceMax: 1000,
+    security: 500,
+    securityMax: 1000,
+    defence: 100,
+    defenceMax: 200,
+    supplyState: 1,
+    frontState: 0,
+    wall: 100,
+    wallMax: 200,
+    meta: {},
+});
+
+const buildGeneral = (strength: number): General => ({
+    id: 1,
+    name: 'Tester',
+    nationId: 1,
+    cityId: 1,
+    troopId: 0,
+    stats: {
+        leadership: 70,
+        strength,
+        intelligence: 70,
+    },
+    experience: 0,
+    dedication: 0,
+    officerLevel: 3,
+    role: {
+        personality: null,
+        specialDomestic: null,
+        specialWar: null,
+        items: {
+            horse: null,
+            weapon: null,
+            book: null,
+            item: null,
+        },
+    },
+    injury: 0,
+    gold: 1000,
+    rice: 1000,
+    crew: 1000,
+    crewTypeId: 100,
+    train: 80,
+    atmos: 80,
+    age: 20,
+    npcState: 0,
+    triggerState: {
+        flags: {},
+        counters: {},
+        modifiers: {},
+        meta: {},
+    },
+    meta: {
+        dex1: 5000,
+    },
+});
+
+describe('war triggers', () => {
+    it('activates and applies critical damage', () => {
+        const rng = new RandUtil(new ConstantRNG(0));
+        const config = buildConfig();
+        const crewType = new WarCrewType(buildUnitSet().crewTypes?.[0]!);
+        const nation = buildNation();
+        const city = buildCity();
+
+        const attacker = new WarUnitGeneral(
+            rng,
+            config,
+            buildGeneral(80),
+            city,
+            nation,
+            true,
+            crewType,
+            new ActionLogger({ generalId: 1, nationId: 1 }),
+            new WarActionPipeline([])
+        );
+        const defender = new WarUnitCity(
+            rng,
+            config,
+            city,
+            nation,
+            new WarCrewType(buildUnitSet().crewTypes?.[1]!),
+            new ActionLogger({}),
+            200,
+            180
+        );
+
+        attacker.setOppose(defender);
+        defender.setOppose(attacker);
+
+        attacker.beginPhase();
+
+        const attempt = new ChePilsalAttemptTrigger(attacker);
+        attempt.action({ rng, attacker, defender }, { e_attacker: {}, e_defender: {} });
+
+        expect(attacker.hasActivatedSkill('필살')).toBe(true);
+
+        const activate = new ChePilsalActivateTrigger(attacker);
+        activate.action({ rng, attacker, defender }, { e_attacker: {}, e_defender: {} });
+
+        expect(attacker.getWarPowerMultiply()).toBeCloseTo(1.3);
+    });
+});
+
+describe('resolveWarBattle', () => {
+    it('handles supply rout when defender nation has no rice', () => {
+        const rng = new RandUtil(new ConstantRNG(0));
+        const config = buildConfig();
+        const unitSet = buildUnitSet();
+        const attackerNation = buildNation();
+        const defenderNation = { ...buildNation(), rice: 0 };
+        const city = buildCity();
+
+        const outcome = resolveWarBattle({
+            rng,
+            unitSet,
+            config,
+            time: {
+                year: 200,
+                month: 1,
+                startYear: 180,
+            },
+            attacker: {
+                general: buildGeneral(80),
+                city,
+                nation: attackerNation,
+            },
+            defenders: [],
+            defenderCity: city,
+            defenderNation,
+        });
+
+        expect(outcome.conquered).toBe(true);
+        expect(outcome.reports.length).toBeGreaterThan(0);
+    });
+});