diff --git a/packages/logic/src/index.ts b/packages/logic/src/index.ts
index 6d6cccb..ef09579 100644
--- a/packages/logic/src/index.ts
+++ b/packages/logic/src/index.ts
@@ -1,2 +1,4 @@
 export * from './domain/entities';
+export * from './ports/rng';
 export * from './ports/world';
+export * from './triggers';
diff --git a/packages/logic/src/ports/rng.ts b/packages/logic/src/ports/rng.ts
new file mode 100644
index 0000000..44871de
--- /dev/null
+++ b/packages/logic/src/ports/rng.ts
@@ -0,0 +1,5 @@
+export interface RandomGenerator {
+    nextFloat(): number;
+    nextBool(probability: number): boolean;
+    nextInt(minInclusive: number, maxExclusive: number): number;
+}
diff --git a/packages/logic/src/triggers/core.ts b/packages/logic/src/triggers/core.ts
new file mode 100644
index 0000000..17f543b
--- /dev/null
+++ b/packages/logic/src/triggers/core.ts
@@ -0,0 +1,78 @@
+export const TriggerPriority = {
+    Min: 0,
+    Begin: 10000,
+    Pre: 20000,
+    Body: 30000,
+    Post: 40000,
+    Final: 50000,
+} as const;
+
+export type TriggerPriority = (typeof TriggerPriority)[keyof typeof TriggerPriority];
+
+export interface Trigger<TContext, TEnv = Record<string, unknown>, TArg = unknown> {
+    readonly priority: number;
+    readonly uniqueId: string;
+    action(context: TContext, env: TEnv, arg?: TArg): TEnv;
+}
+
+export class TriggerCaller<TContext, TEnv = Record<string, unknown>, TArg = unknown> {
+    private readonly triggersByPriority = new Map<number, Map<string, Trigger<TContext, TEnv, TArg>>>();
+
+    constructor(...triggers: Array<Trigger<TContext, TEnv, TArg>>) {
+        if (triggers.length === 0) {
+            return;
+        }
+
+        for (const trigger of triggers) {
+            this.append(trigger);
+        }
+    }
+
+    isEmpty(): boolean {
+        return this.triggersByPriority.size === 0;
+    }
+
+    append(trigger: Trigger<TContext, TEnv, TArg>): this {
+        const priority = trigger.priority;
+        const uniqueId = trigger.uniqueId;
+        const bucket = this.triggersByPriority.get(priority) ?? new Map();
+
+        bucket.set(uniqueId, trigger);
+        this.triggersByPriority.set(priority, bucket);
+
+        return this;
+    }
+
+    merge(other: TriggerCaller<TContext, TEnv, TArg> | null | undefined): this {
+        if (!other) {
+            return this;
+        }
+
+        for (const [priority, otherBucket] of other.triggersByPriority.entries()) {
+            const bucket = this.triggersByPriority.get(priority) ?? new Map();
+            for (const [uniqueId, trigger] of otherBucket.entries()) {
+                bucket.set(uniqueId, trigger);
+            }
+            this.triggersByPriority.set(priority, bucket);
+        }
+
+        return this;
+    }
+
+    fire(context: TContext, env: TEnv, arg?: TArg): TEnv {
+        let currentEnv = env;
+        const priorities = Array.from(this.triggersByPriority.keys()).sort((a, b) => a - b);
+
+        for (const priority of priorities) {
+            const bucket = this.triggersByPriority.get(priority);
+            if (!bucket) {
+                continue;
+            }
+            for (const trigger of bucket.values()) {
+                currentEnv = trigger.action(context, currentEnv, arg);
+            }
+        }
+
+        return currentEnv;
+    }
+}
diff --git a/packages/logic/src/triggers/general-action.ts b/packages/logic/src/triggers/general-action.ts
new file mode 100644
index 0000000..63466f6
--- /dev/null
+++ b/packages/logic/src/triggers/general-action.ts
@@ -0,0 +1,175 @@
+import type { GeneralTriggerState } from '../domain/entities';
+import { type GeneralActionContext, GeneralTriggerCaller } from './general';
+
+export interface GeneralActionModule<TriggerState extends GeneralTriggerState = GeneralTriggerState> {
+    getName?(): string;
+    getInfo?(): string;
+
+    getPreTurnExecuteTriggerList?(
+        context: GeneralActionContext<TriggerState>
+    ): GeneralTriggerCaller<TriggerState> | null;
+
+    onCalcDomestic?(
+        context: GeneralActionContext<TriggerState>,
+        turnType: string,
+        varType: string,
+        value: number,
+        aux?: unknown
+    ): number;
+
+    onCalcStat?(
+        context: GeneralActionContext<TriggerState>,
+        statName: string,
+        value: number,
+        aux?: unknown
+    ): number;
+
+    onCalcOpposeStat?(
+        context: GeneralActionContext<TriggerState>,
+        statName: string,
+        value: number,
+        aux?: unknown
+    ): number;
+
+    onCalcStrategic?(
+        context: GeneralActionContext<TriggerState>,
+        turnType: string,
+        varType: string,
+        value: number
+    ): number;
+
+    onCalcNationalIncome?(
+        context: GeneralActionContext<TriggerState>,
+        type: string,
+        amount: number
+    ): number;
+
+    onArbitraryAction?(
+        context: GeneralActionContext<TriggerState>,
+        actionType: string,
+        phase?: string | null,
+        aux?: Record<string, unknown> | null
+    ): Record<string, unknown> | null;
+}
+
+export class GeneralActionPipeline<TriggerState extends GeneralTriggerState = GeneralTriggerState> {
+    private readonly modules: GeneralActionModule<TriggerState>[];
+
+    constructor(modules: Array<GeneralActionModule<TriggerState> | null | undefined>) {
+        this.modules = modules.filter(Boolean) as GeneralActionModule<TriggerState>[];
+    }
+
+    getPreTurnExecuteTriggerList(
+        context: GeneralActionContext<TriggerState>
+    ): GeneralTriggerCaller<TriggerState> {
+        const triggerCaller = new GeneralTriggerCaller<TriggerState>();
+
+        for (const module of this.modules) {
+            const triggers = module.getPreTurnExecuteTriggerList?.(context);
+            if (triggers) {
+                triggerCaller.merge(triggers);
+            }
+        }
+
+        return triggerCaller;
+    }
+
+    onCalcDomestic(
+        context: GeneralActionContext<TriggerState>,
+        turnType: string,
+        varType: string,
+        value: number,
+        aux?: unknown
+    ): number {
+        let current = value;
+        for (const module of this.modules) {
+            if (!module.onCalcDomestic) {
+                continue;
+            }
+            current = module.onCalcDomestic(context, turnType, varType, current, aux);
+        }
+        return current;
+    }
+
+    onCalcStat(
+        context: GeneralActionContext<TriggerState>,
+        statName: string,
+        value: number,
+        aux?: unknown
+    ): number {
+        let current = value;
+        for (const module of this.modules) {
+            if (!module.onCalcStat) {
+                continue;
+            }
+            current = module.onCalcStat(context, statName, current, aux);
+        }
+        return current;
+    }
+
+    onCalcOpposeStat(
+        context: GeneralActionContext<TriggerState>,
+        statName: string,
+        value: number,
+        aux?: unknown
+    ): number {
+        let current = value;
+        for (const module of this.modules) {
+            if (!module.onCalcOpposeStat) {
+                continue;
+            }
+            current = module.onCalcOpposeStat(context, statName, current, aux);
+        }
+        return current;
+    }
+
+    onCalcStrategic(
+        context: GeneralActionContext<TriggerState>,
+        turnType: string,
+        varType: string,
+        value: number
+    ): number {
+        let current = value;
+        for (const module of this.modules) {
+            if (!module.onCalcStrategic) {
+                continue;
+            }
+            current = module.onCalcStrategic(context, turnType, varType, current);
+        }
+        return current;
+    }
+
+    onCalcNationalIncome(
+        context: GeneralActionContext<TriggerState>,
+        type: string,
+        amount: number
+    ): number {
+        let current = amount;
+        for (const module of this.modules) {
+            if (!module.onCalcNationalIncome) {
+                continue;
+            }
+            current = module.onCalcNationalIncome(context, type, current);
+        }
+        return current;
+    }
+
+    onArbitraryAction(
+        context: GeneralActionContext<TriggerState>,
+        actionType: string,
+        phase?: string | null,
+        aux?: Record<string, unknown> | null
+    ): Record<string, unknown> | null {
+        let current = aux ?? null;
+        for (const module of this.modules) {
+            if (!module.onArbitraryAction) {
+                continue;
+            }
+            const result = module.onArbitraryAction(context, actionType, phase, current);
+            if (result !== undefined) {
+                current = result;
+            }
+        }
+        return current;
+    }
+}
diff --git a/packages/logic/src/triggers/general.ts b/packages/logic/src/triggers/general.ts
new file mode 100644
index 0000000..224c537
--- /dev/null
+++ b/packages/logic/src/triggers/general.ts
@@ -0,0 +1,80 @@
+import type { General, GeneralTriggerState } from '../domain/entities';
+import type { RandomGenerator } from '../ports/rng';
+import type { WorldStateRepository } from '../ports/world';
+import { TriggerCaller, type Trigger } from './core';
+
+export interface GeneralActionLogSink {
+    push(message: string): void;
+}
+
+export interface GeneralSkillActivation {
+    has(key: string): boolean;
+    activate(...keys: string[]): void;
+}
+
+export const createGeneralSkillActivation = <
+    TriggerState extends GeneralTriggerState
+>(
+    general: General<TriggerState>
+): GeneralSkillActivation => ({
+    has: (key: string) => Boolean(general.triggerState.flags[key]),
+    activate: (...keys: string[]) => {
+        for (const key of keys) {
+            general.triggerState.flags[key] = true;
+        }
+    },
+});
+
+export interface GeneralActionContext<TriggerState extends GeneralTriggerState = GeneralTriggerState> {
+    general: General<TriggerState>;
+    world?: WorldStateRepository;
+    log?: GeneralActionLogSink;
+    rng?: RandomGenerator;
+}
+
+export interface GeneralTriggerContext<TriggerState extends GeneralTriggerState = GeneralTriggerState>
+    extends GeneralActionContext<TriggerState> {
+    rng: RandomGenerator;
+    skill: GeneralSkillActivation;
+}
+
+export const createGeneralTriggerContext = <
+    TriggerState extends GeneralTriggerState
+>(
+    context: GeneralActionContext<TriggerState> & { rng: RandomGenerator }
+): GeneralTriggerContext<TriggerState> => ({
+    ...context,
+    skill: createGeneralSkillActivation(context.general),
+});
+
+export type GeneralTrigger<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState,
+    Env extends Record<string, unknown> = Record<string, unknown>,
+    Arg = unknown
+> = Trigger<GeneralTriggerContext<TriggerState>, Env, Arg>;
+
+export class GeneralTriggerCaller<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState,
+    Env extends Record<string, unknown> = Record<string, unknown>,
+    Arg = unknown
+> extends TriggerCaller<GeneralTriggerContext<TriggerState>, Env, Arg> {}
+
+export abstract class BaseGeneralTrigger<
+    TriggerState extends GeneralTriggerState = GeneralTriggerState,
+    Env extends Record<string, unknown> = Record<string, unknown>,
+    Arg = unknown
+> implements GeneralTrigger<TriggerState, Env, Arg> {
+    public abstract readonly priority: number;
+
+    protected constructor(protected readonly general: General<TriggerState>) {}
+
+    get uniqueId(): string {
+        return `${this.priority}_${this.constructor.name}_${this.general.id}`;
+    }
+
+    abstract action(
+        context: GeneralTriggerContext<TriggerState>,
+        env: Env,
+        arg?: Arg
+    ): Env;
+}
diff --git a/packages/logic/src/triggers/index.ts b/packages/logic/src/triggers/index.ts
new file mode 100644
index 0000000..5b8f1f2
--- /dev/null
+++ b/packages/logic/src/triggers/index.ts
@@ -0,0 +1,3 @@
+export * from './core';
+export * from './general';
+export * from './general-action';