Core/Instance: fix attumen/midnight encounter (thx zwerg) closes #6188

src/server/scripts/EasternKingdoms/Karazhan/boss_midnight.cpp

@@ -79,6 +79,12 @@ public:
 
         void Reset()
         {
+            ResetTimer = 0;
+        }
+
+        void EnterEvadeMode()
+        {
+            ScriptedAI::EnterEvadeMode();
             ResetTimer = 2000;
         }