diff --git a/@sammo/game_logic/src/GeneralSpecial/BaseSpecial.ts b/@sammo/game_logic/src/GeneralSpecial/BaseSpecial.ts
new file mode 100644
index 0000000..7da9fb3
--- /dev/null
+++ b/@sammo/game_logic/src/GeneralSpecial/BaseSpecial.ts
@@ -0,0 +1,19 @@
+import type { IAction } from "../IAction.js";
+import type { SpecialReqType, WeightType } from "./defs.js";
+
+export abstract class BaseSpecial implements IAction {
+    public abstract readonly name: string;
+
+    static readonly selectWeight: WeightType = {
+        type: "normal",
+        weight: 1,
+    }
+
+    static readonly type: SpecialReqType[] = [];
+
+    getName(): string {
+        return this.name;
+    }
+
+    abstract getInfo(): string[]|string;
+}
\ No newline at end of file
diff --git a/@sammo/game_logic/src/GeneralSpecial/SpecialWar/che_필살.ts b/@sammo/game_logic/src/GeneralSpecial/SpecialWar/che_필살.ts
new file mode 100644
index 0000000..50cfe59
--- /dev/null
+++ b/@sammo/game_logic/src/GeneralSpecial/SpecialWar/che_필살.ts
@@ -0,0 +1,47 @@
+import type { General } from "../../General.js";
+import type { BattlePhaseTrigger, CalcStat, CalcStatRange } from "../../IActionMethod.js";
+import { WarUnitTriggerCaller } from "../../TriggerCaller/WarUnitTriggerCaller.js";
+import type { WarUnit } from "../../WarUnit.js";
+import { che_필살강화_회피불가 } from "../../WarUnitTrigger/che_필살강화_회피불가.js";
+import { BaseSpecial } from "../BaseSpecial.js";
+import type { SpecialReqType, WeightNormal } from "../defs.js";
+
+export class che_필살 extends BaseSpecial implements CalcStat, CalcStatRange, BattlePhaseTrigger {
+    public readonly name = "필살";
+
+    static override readonly selectWeight: WeightNormal = {
+        type: "normal",
+        weight: 1,
+    }
+    static override type: SpecialReqType[] = [
+        'statLeadership',
+        'statStrength',
+        'statIntel',
+    ];
+
+    getInfo() {
+        return "[전투] 필살 확률 +30%p, 필살 발동시 대상 회피 불가, 필살 계수 향상";
+    }
+
+    onCalcStat(general: General, statName: string, value: number, aux?: unknown[] | undefined): number {
+        if (statName == 'warCriticalRatio') {
+            return value + 0.3;
+        }
+        return value;
+    }
+
+    onCalcStatRange(general: General, statName: string, value: [number, number], aux?: unknown[] | undefined): [number, number] {
+        if (statName === 'criticalDamageRange'){
+            const [rangeMin, rangeMax] = value;
+            return [(rangeMin + rangeMax) / 2, rangeMax];
+        }
+
+        return value;
+    }
+
+    getBattlePhaseSkillTriggerList(unit: WarUnit): WarUnitTriggerCaller | undefined {
+        return new WarUnitTriggerCaller(
+            new che_필살강화_회피불가(unit),
+        );
+    }
+}
\ No newline at end of file
diff --git a/@sammo/game_logic/src/GeneralSpecial/SpecilityHelper.ts b/@sammo/game_logic/src/GeneralSpecial/SpecilityHelper.ts
new file mode 100644
index 0000000..a304704
--- /dev/null
+++ b/@sammo/game_logic/src/GeneralSpecial/SpecilityHelper.ts
@@ -0,0 +1,6 @@
+
+
+class SpecialityHelper {
+}
+
+export const specialityHelper = new SpecialityHelper();
\ No newline at end of file
diff --git a/@sammo/game_logic/src/GeneralSpecial/defs.ts b/@sammo/game_logic/src/GeneralSpecial/defs.ts
new file mode 100644
index 0000000..da14733
--- /dev/null
+++ b/@sammo/game_logic/src/GeneralSpecial/defs.ts
@@ -0,0 +1,30 @@
+
+export type SpecialReqType =
+    "statLeadership" |
+    "statStrength" |
+    "statIntel" |
+
+    "armyFootMan" |
+    "armyArcher" |
+    "armyCavalry" |
+    "armyWizard" |
+    "armySiege" |
+
+    "reqDexterity" |
+
+    "statNotLeadership" |
+    "statNotStrength" |
+    "statNotIntel"
+    ;
+
+export type WeightNormal = {
+    type: "normal";
+    weight: number; // 1을 기준으로 한 가중치 곱
+};
+
+export type WeightPercent = {
+    type: "percent";
+    weight: number; // 1이면 100%
+};
+
+export type WeightType = WeightNormal | WeightPercent;
\ No newline at end of file
diff --git a/@sammo/game_logic/src/GeneralSpecial/index.ts b/@sammo/game_logic/src/GeneralSpecial/index.ts
new file mode 100644
index 0000000..367d176
--- /dev/null
+++ b/@sammo/game_logic/src/GeneralSpecial/index.ts
@@ -0,0 +1,8 @@
+export { BaseSpecial } from "./BaseSpecial.js";
+
+import { che_필살 } from "./SpecialWar/che_필살.js";
+
+
+export const SpecialWar = {
+    che_필살
+}
\ No newline at end of file
diff --git a/@sammo/game_logic/src/IAction.ts b/@sammo/game_logic/src/IAction.ts
index 7e36c3d..f7ccaf0 100644
--- a/@sammo/game_logic/src/IAction.ts
+++ b/@sammo/game_logic/src/IAction.ts
@@ -1,25 +1,23 @@
-import type { RandUtil } from "@sammo/crypto";
-import type { General } from "./General.js";
-import type { GeneralTriggerCaller } from "./TriggerCaller/GeneralTriggerCaller.js";
-import type { WarUnitTriggerCaller } from "./TriggerCaller/WarUnitTriggerCaller.js";
-import type { WarUnit } from "./WarUnit.js";
+import type * as IMethod from "./IActionMethod.js";
+export type * as IMethod from "./IActionMethod.js";
+
+export interface IActionMethod extends
+    IMethod.TurnExecuteTriggerList,
+    IMethod.CalcDomestic,
+    IMethod.CalcStat,
+    IMethod.CalcStatRange,
+    IMethod.CalcOpposeStat,
+    IMethod.CalcStrategic,
+    IMethod.CalcIncome,
+    IMethod.WarPowerMultiplier,
+    IMethod.BattleInitTrigger,
+    IMethod.BattlePhaseTrigger,
+    IMethod.ArbitraryAction {
+}
+
+export interface IAction extends Partial<IActionMethod> {
+    readonly name: string;
 
-export interface IAction {
     getName(): string;
-    getInfo(): string;
-
-    getPreTurnExecuteTriggerList(general: General):GeneralTriggerCaller | undefined;
-    //TODO: turnType, varType이 string이면 안됨. enum에 가까워야함!
-    onCalcDomestic(turnType: string, varType: string, value: number, aux?: unknown[]): number;
-
-    onCalcStat(general: General, statName: string, value: number, aux?: unknown[]): number;
-    onCalcOpposeStat(general: General, statName: string, value: number, aux?: unknown[]): number;
-    onCalcStrategic(turnType: string, varType: string, value: number): number;
-    onCalcNationalIncome(type: string, value: number): number;
-
-    getWarPowerMultiplier(unit: WarUnit): [number, number];
-    getBattleInitSkillTriggerList(unit: WarUnit): WarUnitTriggerCaller | undefined;
-    getBattlePhaseSkillTriggerList(unit: WarUnit): WarUnitTriggerCaller | undefined;
-
-    onArbitraryAction(general: General, rng: RandUtil, actionType: string, phase?: string, aux?: unknown[]): null | string[];
+    getInfo(): string[] | string;
 }
\ No newline at end of file
diff --git a/@sammo/game_logic/src/IActionMethod.ts b/@sammo/game_logic/src/IActionMethod.ts
new file mode 100644
index 0000000..629ac3b
--- /dev/null
+++ b/@sammo/game_logic/src/IActionMethod.ts
@@ -0,0 +1,62 @@
+import type { RandUtil } from "@sammo/crypto";
+import type { WarUnitTriggerCaller } from "./TriggerCaller/WarUnitTriggerCaller.js";
+import type { GeneralTriggerCaller } from "./TriggerCaller/GeneralTriggerCaller.js";
+import type { General } from "./General.js";
+import type { WarUnit } from "./WarUnit.js";
+
+//TODO: turnType, varType이 string이면 안됨. enum에 가까워야함!
+type onCalcDomesticFunc = (turnType: string, varType: string, value: number, aux?: unknown[]) => number;
+
+type onCalcStatFunc = (general: General, statName: string, value: number, aux?: unknown[]) => number;
+type onCalcStatRangeFunc = (general: General, statName: string, value: [number, number], aux?: unknown[]) => [number, number];
+type onCalcStrategicFunc = (turnType: string, varType: string, value: number) => number;
+type onCalcIncomeFunc = (type: string, value: number) => number;
+
+type getWarPowerMultiplierFunc = (unit: WarUnit) => [number, number];
+type getWarUnitTriggerListFunc = (unit: WarUnit) => WarUnitTriggerCaller | undefined;
+
+type onArbitraryActionFunc = (general: General, rng: RandUtil, actionType: string, phase?: string, aux?: unknown[]) => null | string[];
+
+export interface TurnExecuteTriggerList {
+    getPreTurnExecuteTriggerList(general: General): GeneralTriggerCaller | undefined;
+}
+
+export interface CalcDomestic {
+    onCalcDomestic: onCalcDomesticFunc;
+}
+
+export interface CalcStat {
+    onCalcStat: onCalcStatFunc;
+}
+
+export interface CalcStatRange {
+    onCalcStatRange: onCalcStatRangeFunc;
+}
+
+export interface CalcOpposeStat {
+    onCalcOpposeStat: onCalcStatFunc;
+}
+
+export interface CalcStrategic {
+    onCalcStrategic: onCalcStrategicFunc;
+}
+
+export interface CalcIncome {
+    onCalcNationalIncome: onCalcIncomeFunc;
+}
+
+export interface WarPowerMultiplier {
+    getWarPowerMultiplier: getWarPowerMultiplierFunc;
+}
+
+export interface BattleInitTrigger {
+    getBatteInitSkillTriggerList: getWarUnitTriggerListFunc;
+}
+
+export interface BattlePhaseTrigger {
+    getBattlePhaseSkillTriggerList: getWarUnitTriggerListFunc;
+}
+
+export interface ArbitraryAction {
+    onArbitraryAction: onArbitraryActionFunc;
+}
\ No newline at end of file
diff --git a/@sammo/game_logic/src/Trigger/BaseWarUnitTrigger.ts b/@sammo/game_logic/src/Trigger/BaseWarUnitTrigger.ts
index f673ee7..079b307 100644
--- a/@sammo/game_logic/src/Trigger/BaseWarUnitTrigger.ts
+++ b/@sammo/game_logic/src/Trigger/BaseWarUnitTrigger.ts
@@ -12,11 +12,11 @@ export const RaiseType = {
 } as const;
 
 export abstract class BaseWarUnitTrigger extends ObjectTrigger<WarUnit> {
-    protected priority = PRIORITY.BODY;
+    protected override priority: number = PRIORITY.BODY;
 
     constructor(
         protected object: WarUnit,
-        protected raiseType: number
+        protected raiseType: number = RaiseType.None,
     ) {
         super();
     }
diff --git a/@sammo/game_logic/src/TriggerCaller/WarUnitTriggerCaller.ts b/@sammo/game_logic/src/TriggerCaller/WarUnitTriggerCaller.ts
index 9370be2..8ffbb3e 100644
--- a/@sammo/game_logic/src/TriggerCaller/WarUnitTriggerCaller.ts
+++ b/@sammo/game_logic/src/TriggerCaller/WarUnitTriggerCaller.ts
@@ -1,9 +1,9 @@
-import { BaseGeneralTrigger } from "../Trigger/BaseGeneralTrigger.js";
+import { BaseWarUnitTrigger } from "../Trigger/BaseWarUnitTrigger.js";
 import type { ObjectTrigger } from "../Trigger/ObjectTrigger.js";
 import { TriggerCaller } from "./TriggerCaller.js";
 
-export class WarUnitTriggerCaller extends TriggerCaller<BaseGeneralTrigger> {
+export class WarUnitTriggerCaller extends TriggerCaller<BaseWarUnitTrigger> {
     checkValidTrigger(trigger: ObjectTrigger<object>): boolean {
-        return trigger instanceof BaseGeneralTrigger;
+        return trigger instanceof BaseWarUnitTrigger;
     }
 }
\ No newline at end of file
diff --git a/@sammo/game_logic/src/WarUnit.ts b/@sammo/game_logic/src/WarUnit.ts
index ae50aa8..faea83a 100644
--- a/@sammo/game_logic/src/WarUnit.ts
+++ b/@sammo/game_logic/src/WarUnit.ts
@@ -3,5 +3,11 @@ export class WarUnitEnv {
 }
 
 export abstract class WarUnit{
+    hasActivatedSkill(skillName: string): boolean {
+        throw new Error("Method not implemented.");
+    }
 
+    activateSkill(skillName: string): void {
+        throw new Error("Method not implemented.");
+    }
 }
\ No newline at end of file
diff --git a/@sammo/game_logic/src/WarUnitTrigger/che_필살강화_회피불가.ts b/@sammo/game_logic/src/WarUnitTrigger/che_필살강화_회피불가.ts
new file mode 100644
index 0000000..23f5086
--- /dev/null
+++ b/@sammo/game_logic/src/WarUnitTrigger/che_필살강화_회피불가.ts
@@ -0,0 +1,17 @@
+import type { RandUtil } from "@sammo/crypto";
+import { BaseWarUnitTrigger } from "../Trigger/BaseWarUnitTrigger.js";
+import type { WarUnit, WarUnitEnv } from "../WarUnit.js";
+import { PRIORITY } from "../Trigger/ObjectTrigger.js";
+
+export class che_필살강화_회피불가 extends BaseWarUnitTrigger {
+    protected override priority = PRIORITY.PRE + 150;
+
+    actionWar(self: WarUnit, oppose: WarUnit, selfEnv: WarUnitEnv, opposeEnv: WarUnitEnv, rng: RandUtil): boolean {
+        if(!self.hasActivatedSkill("필살")){
+            return true;
+        }
+
+        oppose.activateSkill("회피불가");
+        return true;
+    }
+}
\ No newline at end of file