diff --git a/src/combat/combat.service.ts b/src/combat/combat.service.ts
index 42f57a9..4b651d4 100644
--- a/src/combat/combat.service.ts
+++ b/src/combat/combat.service.ts
@@ -244,8 +244,8 @@ export class CombatService {
       this.eventEmitter.emit('achievement.check', { characterId: cid, type: 'gold_accumulated', increment: 0, absolute: txResult.response.rewards.gold });
       this.eventEmitter.emit('community.contribute', { characterId: cid, type: 'total_monsters_killed', increment: 1 });
       this.eventEmitter.emit('community.contribute', { characterId: cid, type: 'total_gold_earned', increment: txResult.response.rewards.gold });
-      this.eventEmitter.emit('quest.progress', { characterId: cid, type: 'kill_any', increment: 1 });
-      this.eventEmitter.emit('quest.progress', { characterId: cid, type: 'kill_monster', targetId: monster.id, increment: 1 });
+      this.eventEmitter.emit('quest.progress', { characterId: cid, type: 'kill_any', increment: 1, zone: monster.zone });
+      this.eventEmitter.emit('quest.progress', { characterId: cid, type: 'kill_monster', targetId: monster.id, increment: 1, zone: monster.zone });
       if (txResult.lootedMaterialId) {
         this.eventEmitter.emit('quest.progress', { characterId: cid, type: 'gather_material', targetId: txResult.lootedMaterialId, increment: 1 });
       }
diff --git a/src/quest/quest.service.ts b/src/quest/quest.service.ts
index 513571e..18bc7c1 100644
--- a/src/quest/quest.service.ts
+++ b/src/quest/quest.service.ts
@@ -256,13 +256,14 @@ export class QuestService {
     type: string;
     targetId?: string;
     increment: number;
+    zone?: string;
   }) {
-    const { characterId, type, targetId, increment } = event;
+    const { characterId, type, targetId, increment, zone } = event;
 
     // Find active quests matching this event
     const activeQuests = await this.playerQuestRepo.find({
       where: { characterId, status: 'active' },
-      relations: ['quest'],
+      relations: ['quest', 'quest.arc'],
     });
 
     for (const pq of activeQuests) {
@@ -272,6 +273,9 @@ export class QuestService {
       // For targeted objectives, check target matches
       if (q.objectiveTargetId && q.objectiveTargetId !== targetId) continue;
 
+      // Zone check: if quest belongs to an arc with a zone, only count kills from that zone
+      if (q.arc?.zone && zone && q.arc.zone !== zone) continue;
+
       pq.progress = Math.min(pq.progress + increment, q.objectiveCount);
 
       if (pq.progress >= q.objectiveCount) {