Core/SmartAI: SmartAI creatures no longer process health-based hooks after death.

src/server/game/AI/SmartScripts/SmartAI.cpp

@@ -343,6 +343,13 @@ void SmartAI::UpdatePath(uint32 diff)
 
 void SmartAI::UpdateAI(uint32 diff)
 {
+    if (!me->IsAlive())
+    {
+        if (IsEngaged())
+            EngagementOver();
+        return;
+    }
+
     CheckConditions(diff);
     GetScript()->OnUpdate(diff);
     UpdatePath(diff);

src/server/game/Entities/Creature/Creature.cpp

@@ -2330,7 +2330,7 @@ void Creature::CallAssistance()
 
 void Creature::CallForHelp(float radius)
 {
-    if (radius <= 0.0f || !IsEngaged() || IsPet() || IsCharmed())
+    if (radius <= 0.0f || !IsEngaged() || !IsAlive() || IsPet() || IsCharmed())
         return;
 
     Unit* target = GetThreatManager().GetCurrentVictim();
@@ -2341,7 +2341,7 @@ void Creature::CallForHelp(float radius)
 
     if (!target)
     {
-        TC_LOG_ERROR("entities.unit", "Creature %u (%s) is engaged without threat list", GetEntry(), GetName().c_str());
+        TC_LOG_ERROR("entities.unit", "Creature %u (%s) trying to call for help without being in combat.", GetEntry(), GetName().c_str());
         return;
     }