gistfile1.txt

diff --git a/src/server/scripts/World/npcs_special.cpp b/src/server/scripts/World/npcs_special.cpp
index 5b3824a887..231af67d5a 100644
--- a/src/server/scripts/World/npcs_special.cpp
+++ b/src/server/scripts/World/npcs_special.cpp
@@ -1585,6 +1585,7 @@ public:
         }
 
         EventMap _events;
+        uint32 ResetHealthTimer;
         std::unordered_map<uint64, time_t> _damageTimes;
 
         void Reset() override
@@ -1593,6 +1594,7 @@ public:
 
             _events.Reset();
             _damageTimes.clear();
+            ResetHealthTimer = 5 * IN_MILLISECONDS;
             if (me->GetEntry() != NPC_ADVANCED_TARGET_DUMMY && me->GetEntry() != NPC_TARGET_DUMMY)
                 _events.ScheduleEvent(EVENT_TD_CHECK_COMBAT, 1 * IN_MILLISECONDS);
             else
@@ -1611,13 +1613,20 @@ public:
         {
             me->AddThreat(doneBy, float(damage)); // just to create threat reference
             _damageTimes[doneBy->GetGUID()] = time(NULL);
-            damage = 0;
         }
 
         void UpdateAI(uint32 diff) override
         {
+            if (ResetHealthTimer <= diff)
+            {
+                me->SetHealth(me->GetMaxHealth());
+                ResetHealthTimer = 5 * IN_MILLISECONDS;
+            }
+            else
+                ResetHealthTimer -= diff;

UPDATE `creature_template` SET `Health_mod`=1721.76 WHERE `scriptname` LIKE '%npc_training_dummy%'