9ad11e6 follow-up, prevent Halion respawn without loot

tagging #21198

src/server/scripts/Northrend/ChamberOfAspects/RubySanctum/boss_halion.cpp

@@ -617,6 +617,9 @@ class npc_halion_controller : public CreatureScript
 
             void JustExitedCombat() override
             {
+                if (_instance->GetBossState(DATA_HALION) == DONE)
+                    return;
+
                 if (Creature* twilightHalion = _instance->GetCreature(DATA_TWILIGHT_HALION))
                 {
                     twilightHalion->DespawnOrUnsummon();