diff --git a/include/game/game_handler.hpp b/include/game/game_handler.hpp
index ad404b95..dc92abfc 100644
--- a/include/game/game_handler.hpp
+++ b/include/game/game_handler.hpp
@@ -508,6 +508,10 @@ public:
     const std::vector<AuraSlot>& getPlayerAuras() const { return playerAuras; }
     const std::vector<AuraSlot>& getTargetAuras() const { return targetAuras; }
 
+    // Completed quests (populated from SMSG_QUERY_QUESTS_COMPLETED_RESPONSE)
+    bool isQuestCompleted(uint32_t questId) const { return completedQuests_.count(questId) > 0; }
+    const std::unordered_set<uint32_t>& getCompletedQuests() const { return completedQuests_; }
+
     // NPC death callback (for animations)
     using NpcDeathCallback = std::function<void(uint64_t guid)>;
     void setNpcDeathCallback(NpcDeathCallback cb) { npcDeathCallback_ = std::move(cb); }
diff --git a/src/game/game_handler.cpp b/src/game/game_handler.cpp
index 2a833627..214d438b 100644
--- a/src/game/game_handler.cpp
+++ b/src/game/game_handler.cpp
@@ -5238,7 +5238,15 @@ void GameHandler::handleLoginVerifyWorld(network::Packet& packet) {
         pendingQuestQueryIds_.clear();
         pendingLoginQuestResync_ = true;
         pendingLoginQuestResyncTimeout_ = 10.0f;
+        completedQuests_.clear();
         LOG_INFO("Queued quest log resync for login (from server quest slots)");
+
+        // Request completed quest IDs from server (populates completedQuests_ when response arrives)
+        if (socket) {
+            network::Packet cqcPkt(wireOpcode(Opcode::CMSG_QUERY_QUESTS_COMPLETED));
+            socket->send(cqcPkt);
+            LOG_INFO("Sent CMSG_QUERY_QUESTS_COMPLETED");
+        }
     }
 }