diff --git a/src/game/AggressorAI.cpp b/src/game/AggressorAI.cpp
index 82e3077d8..9d436ef09 100644
--- a/src/game/AggressorAI.cpp
+++ b/src/game/AggressorAI.cpp
@@ -60,7 +60,7 @@ AggressorAI::MoveInLineOfSight(Unit *u)
             }
             else if(sMapStore.LookupEntry(m_creature->GetMapId())->IsDungeon())
             {
-                m_creature->AddThreat(u, 0.0f);
+                m_creature->AddThreat(u);
                 u->SetInCombatWith(m_creature);
             }
         }
@@ -155,7 +155,7 @@ AggressorAI::AttackStart(Unit *u)
         //    DEBUG_LOG("Creature %s tagged a victim to kill [guid=%u]", m_creature->GetName(), u->GetGUIDLow());
         i_victimGuid = u->GetGUID();
 
-        m_creature->AddThreat(u, 0.0f);
+        m_creature->AddThreat(u);
         m_creature->SetInCombatWith(u);
         u->SetInCombatWith(m_creature);
 
diff --git a/src/game/Creature.cpp b/src/game/Creature.cpp
index fc2ab843b..0c227ff30 100644
--- a/src/game/Creature.cpp
+++ b/src/game/Creature.cpp
@@ -2057,7 +2057,7 @@ void Creature::SetInCombatWithZone()
             if (pPlayer->isAlive())
             {
                 pPlayer->SetInCombatWith(this);
-                AddThreat(pPlayer, 0.0f);
+                AddThreat(pPlayer);
             }
         }
     }
diff --git a/src/game/CreatureEventAI.cpp b/src/game/CreatureEventAI.cpp
index e7fa84a08..3e9c59e28 100644
--- a/src/game/CreatureEventAI.cpp
+++ b/src/game/CreatureEventAI.cpp
@@ -948,7 +948,7 @@ void CreatureEventAI::AttackStart(Unit *who)
 
     if (m_creature->Attack(who, MeleeEnabled))
     {
-        m_creature->AddThreat(who, 0.0f);
+        m_creature->AddThreat(who);
         m_creature->SetInCombatWith(who);
         who->SetInCombatWith(m_creature);
 
@@ -1010,7 +1010,7 @@ void CreatureEventAI::MoveInLineOfSight(Unit *who)
             }
             else if (m_creature->GetMap()->IsDungeon())
             {
-                m_creature->AddThreat(who, 0.0f);
+                m_creature->AddThreat(who);
                 who->SetInCombatWith(m_creature);
             }
         }
diff --git a/src/game/GuardAI.cpp b/src/game/GuardAI.cpp
index aaa9391e6..3d5b529a7 100644
--- a/src/game/GuardAI.cpp
+++ b/src/game/GuardAI.cpp
@@ -138,7 +138,7 @@ void GuardAI::AttackStart(Unit *u)
     if(m_creature->Attack(u,true))
     {
         i_victimGuid = u->GetGUID();
-        m_creature->AddThreat(u, 0.0f);
+        m_creature->AddThreat(u);
         m_creature->SetInCombatWith(u);
         u->SetInCombatWith(m_creature);
 
diff --git a/src/game/HostilRefManager.cpp b/src/game/HostilRefManager.cpp
index 0fa7e379a..c9cd9cd97 100644
--- a/src/game/HostilRefManager.cpp
+++ b/src/game/HostilRefManager.cpp
@@ -40,7 +40,7 @@ void HostileRefManager::threatAssist(Unit *pVictim, float pThreat, SpellEntry co
     ref = getFirst();
     while(ref != NULL)
     {
-        float threat = ThreatCalcHelper::calcThreat(pVictim, iOwner, pThreat, (pThreatSpell ? GetSpellSchoolMask(pThreatSpell) : SPELL_SCHOOL_MASK_NORMAL), pThreatSpell);
+        float threat = ThreatCalcHelper::calcThreat(pVictim, iOwner, pThreat, false, (pThreatSpell ? GetSpellSchoolMask(pThreatSpell) : SPELL_SCHOOL_MASK_NORMAL), pThreatSpell);
         if(pVictim == getOwner())
             ref->addThreat(float (threat) / size);          // It is faster to modify the threat durectly if possible
         else
diff --git a/src/game/PetAI.cpp b/src/game/PetAI.cpp
index 9dfbc43fa..354ef371a 100644
--- a/src/game/PetAI.cpp
+++ b/src/game/PetAI.cpp
@@ -172,7 +172,7 @@ void PetAI::UpdateAI(const uint32 diff)
                     return;
 
                 //if pet misses its target, it will also be the first in threat list
-                m_creature->getVictim()->AddThreat(m_creature,0.0f);
+                m_creature->getVictim()->AddThreat(m_creature);
 
                 if( _needToStop() )
                     _stopAttack();
diff --git a/src/game/ReactorAI.cpp b/src/game/ReactorAI.cpp
index bc41faee3..49cbc7e0c 100644
--- a/src/game/ReactorAI.cpp
+++ b/src/game/ReactorAI.cpp
@@ -49,7 +49,7 @@ ReactorAI::AttackStart(Unit *p)
     {
         DEBUG_LOG("Tag unit GUID: %u (TypeId: %u) as a victim", p->GetGUIDLow(), p->GetTypeId());
         i_victimGuid = p->GetGUID();
-        m_creature->AddThreat(p, 0.0f);
+        m_creature->AddThreat(p);
 
         m_creature->SetInCombatWith(p);
         p->SetInCombatWith(m_creature);
diff --git a/src/game/Spell.cpp b/src/game/Spell.cpp
index b13d5133c..d3e1c0786 100644
--- a/src/game/Spell.cpp
+++ b/src/game/Spell.cpp
@@ -1092,7 +1092,7 @@ void Spell::DoSpellHitOnUnit(Unit *unit, const uint32 effectMask)
                 if (!unit->isInCombat() && unit->GetTypeId() != TYPEID_PLAYER && ((Creature*)unit)->AI())
                     ((Creature*)unit)->AI()->AttackedBy(realCaster);
 
-                unit->AddThreat(realCaster, 0.0f);
+                unit->AddThreat(realCaster);
                 unit->SetInCombatWith(realCaster);
                 realCaster->SetInCombatWith(unit);
 
@@ -1116,7 +1116,7 @@ void Spell::DoSpellHitOnUnit(Unit *unit, const uint32 effectMask)
             if (unit->isInCombat() && !(m_spellInfo->AttributesEx & SPELL_ATTR_EX_NO_INITIAL_AGGRO))
             {
                 realCaster->SetInCombatState(unit->GetCombatTimer() > 0);
-                unit->getHostileRefManager().threatAssist(realCaster, 0.0f);
+                unit->getHostileRefManager().threatAssist(realCaster, 0.0f, m_spellInfo);
             }
         }
     }
@@ -3770,7 +3770,7 @@ void Spell::HandleThreatSpells(uint32 spellId)
     if(!threat)
         return;
 
-    m_targets.getUnitTarget()->AddThreat(m_caster, float(threat));
+    m_targets.getUnitTarget()->AddThreat(m_caster, float(threat), false, GetSpellSchoolMask(m_spellInfo), m_spellInfo);
 
     DEBUG_LOG("Spell %u, rank %u, added an additional %i threat", spellId, spellmgr.GetSpellRank(spellId), threat);
 }
diff --git a/src/game/SpellAuras.cpp b/src/game/SpellAuras.cpp
index 43f9e5a5c..e0db4c250 100644
--- a/src/game/SpellAuras.cpp
+++ b/src/game/SpellAuras.cpp
@@ -233,7 +233,7 @@ pAuraHandler AuraHandler[TOTAL_AURAS]=
     &Aura::HandleNoImmediateEffect,                         //180 SPELL_AURA_MOD_FLAT_SPELL_DAMAGE_VERSUS   implemented in Unit::SpellDamageBonus
     &Aura::HandleUnused,                                    //181 unused (3.0.8a) old SPELL_AURA_MOD_FLAT_SPELL_CRIT_DAMAGE_VERSUS
     &Aura::HandleAuraModResistenceOfStatPercent,            //182 SPELL_AURA_MOD_RESISTANCE_OF_STAT_PERCENT
-    &Aura::HandleNULL,                                      //183 SPELL_AURA_MOD_CRITICAL_THREAT only used in 28746
+    &Aura::HandleNoImmediateEffect,                         //183 SPELL_AURA_MOD_CRITICAL_THREAT only used in 28746, implemented in ThreatCalcHelper::calcThreat
     &Aura::HandleNoImmediateEffect,                         //184 SPELL_AURA_MOD_ATTACKER_MELEE_HIT_CHANCE  implemented in Unit::RollMeleeOutcomeAgainst
     &Aura::HandleNoImmediateEffect,                         //185 SPELL_AURA_MOD_ATTACKER_RANGED_HIT_CHANCE implemented in Unit::RollMeleeOutcomeAgainst
     &Aura::HandleNoImmediateEffect,                         //186 SPELL_AURA_MOD_ATTACKER_SPELL_HIT_CHANCE  implemented in Unit::MagicSpellHitResult
@@ -2195,7 +2195,7 @@ void Aura::HandleAuraDummy(bool apply, bool Real)
             case 1515:                                      // Tame beast
                 // FIX_ME: this is 2.0.12 threat effect replaced in 2.1.x by dummy aura, must be checked for correctness
                 if( caster && m_target->CanHaveThreatList())
-                    m_target->AddThreat(caster, 10.0f);
+                    m_target->AddThreat(caster, 10.0f, false, GetSpellSchoolMask(GetSpellProto()), GetSpellProto());
                 return;
             case 13139:                                     // net-o-matic
                 // root to self part of (root_target->charge->root_self sequence
@@ -4039,7 +4039,7 @@ void Aura::HandleAuraModTotalThreat(bool apply, bool Real)
 
     float threatMod = apply ? float(m_modifier.m_amount) : float(-m_modifier.m_amount);
 
-    m_target->getHostileRefManager().threatAssist(caster, threatMod);
+    m_target->getHostileRefManager().threatAssist(caster, threatMod, GetSpellProto());
 }
 
 void Aura::HandleModTaunt(bool apply, bool Real)
@@ -6311,6 +6311,10 @@ void Aura::PeriodicTick()
             // This method can modify pdamage
             bool isCrit = IsCritFromAbilityAura(pCaster, pdamage);
 
+            // send critical in hit info for threat calculation
+            if (isCrit)
+                cleanDamage.hitOutCome = MELEE_HIT_CRIT;
+
             pCaster->CalcAbsorbResist(m_target, GetSpellSchoolMask(GetSpellProto()), DOT, pdamage, &absorb, &resist);
 
             sLog.outDetail("PeriodicTick: %u (TypeId: %u) attacked %u (TypeId: %u) for %u dmg inflicted by %u abs is %u",
@@ -6556,7 +6560,7 @@ void Aura::PeriodicTick()
             if(gain_amount)
             {
                 int32 gain = pCaster->ModifyPower(power, gain_amount);
-                m_target->AddThreat(pCaster, float(gain) * 0.5f, GetSpellSchoolMask(GetSpellProto()), GetSpellProto());
+                m_target->AddThreat(pCaster, float(gain) * 0.5f, pInfo.critical, GetSpellSchoolMask(GetSpellProto()), GetSpellProto());
             }
             break;
         }
diff --git a/src/game/SpellEffects.cpp b/src/game/SpellEffects.cpp
index db09186e1..531b23878 100644
--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -4681,7 +4681,7 @@ void Spell::EffectThreat(uint32 /*i*/)
     if(!unitTarget->CanHaveThreatList())
         return;
 
-    unitTarget->AddThreat(m_caster, float(damage));
+    unitTarget->AddThreat(m_caster, float(damage), false, GetSpellSchoolMask(m_spellInfo), m_spellInfo);
 }
 
 void Spell::EffectHealMaxHealth(uint32 /*i*/)
diff --git a/src/game/ThreatManager.cpp b/src/game/ThreatManager.cpp
index a8802d4d9..11b560482 100644
--- a/src/game/ThreatManager.cpp
+++ b/src/game/ThreatManager.cpp
@@ -30,12 +30,21 @@
 //==============================================================
 
 // The pHatingUnit is not used yet
-float ThreatCalcHelper::calcThreat(Unit* pHatedUnit, Unit* pHatingUnit, float pThreat, SpellSchoolMask schoolMask, SpellEntry const *pThreatSpell)
+float ThreatCalcHelper::calcThreat(Unit* pHatedUnit, Unit* pHatingUnit, float pThreat, bool crit, SpellSchoolMask schoolMask, SpellEntry const *pThreatSpell)
 {
+    // all flat mods applied early
+    if(!pThreat)
+        return 0.0f;
+
     if (pThreatSpell)
+    {
         if (Player* modOwner = pHatedUnit->GetSpellModOwner())
             modOwner->ApplySpellMod(pThreatSpell->Id, SPELLMOD_THREAT, pThreat);
 
+        if(crit)
+            pThreat *= pHatedUnit->GetTotalAuraMultiplierByMiscMask(SPELL_AURA_MOD_CRITICAL_THREAT,schoolMask);
+    }
+
     float threat = pHatedUnit->ApplyTotalThreatModifier(pThreat, schoolMask);
     return threat;
 }
@@ -357,7 +366,7 @@ void ThreatManager::clearReferences()
 
 //============================================================
 
-void ThreatManager::addThreat(Unit* pVictim, float pThreat, SpellSchoolMask schoolMask, SpellEntry const *pThreatSpell)
+void ThreatManager::addThreat(Unit* pVictim, float pThreat, bool crit, SpellSchoolMask schoolMask, SpellEntry const *pThreatSpell)
 {
     //function deals with adding threat and adding players and pets into ThreatList
     //mobs, NPCs, guards have ThreatList and HateOfflineList
@@ -378,7 +387,7 @@ void ThreatManager::addThreat(Unit* pVictim, float pThreat, SpellSchoolMask scho
 
     assert(getOwner()->GetTypeId()== TYPEID_UNIT);
 
-    float threat = ThreatCalcHelper::calcThreat(pVictim, iOwner, pThreat, schoolMask, pThreatSpell);
+    float threat = ThreatCalcHelper::calcThreat(pVictim, iOwner, pThreat, crit, schoolMask, pThreatSpell);
 
     HostileReference* ref = iThreatContainer.addThreat(pVictim, threat);
     // Ref is not in the online refs, search the offline refs next
diff --git a/src/game/ThreatManager.h b/src/game/ThreatManager.h
index 55460304c..7c8cf23fb 100644
--- a/src/game/ThreatManager.h
+++ b/src/game/ThreatManager.h
@@ -39,7 +39,7 @@ struct SpellEntry;
 class ThreatCalcHelper
 {
     public:
-        static float calcThreat(Unit* pHatedUnit, Unit* pHatingUnit, float threat, SpellSchoolMask schoolMask = SPELL_SCHOOL_MASK_NORMAL, SpellEntry const *threatSpell = NULL);
+        static float calcThreat(Unit* pHatedUnit, Unit* pHatingUnit, float threat, bool crit, SpellSchoolMask schoolMask, SpellEntry const *threatSpell);
 };
 
 //==============================================================
@@ -176,7 +176,8 @@ class MANGOS_DLL_SPEC ThreatManager
 
         void clearReferences();
 
-        void addThreat(Unit* pVictim, float threat, SpellSchoolMask schoolMask = SPELL_SCHOOL_MASK_NORMAL, SpellEntry const *threatSpell = NULL);
+        void addThreat(Unit* pVictim, float threat, bool crit, SpellSchoolMask schoolMask, SpellEntry const *threatSpell);
+        void addThreat(Unit* pVictim, float threat) { addThreat(pVictim,threat,false,SPELL_SCHOOL_MASK_NONE,NULL); }
         void modifyThreatPercent(Unit *pVictim, int32 pPercent);
 
         float getThreat(Unit *pVictim, bool pAlsoSearchOfflineList = false);
diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index b28159b2b..c6bf862e6 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -761,9 +761,9 @@ uint32 Unit::DealDamage(Unit *pVictim, uint32 damage, CleanDamage const* cleanDa
         if (pVictim->GetTypeId() != TYPEID_PLAYER)
         {
             if(spellProto && IsDamageToThreatSpell(spellProto))
-                pVictim->AddThreat(this, damage*2, damageSchoolMask, spellProto);
+                pVictim->AddThreat(this, damage*2, (cleanDamage && cleanDamage->hitOutCome == MELEE_HIT_CRIT), damageSchoolMask, spellProto);
             else
-                pVictim->AddThreat(this, damage, damageSchoolMask, spellProto);
+                pVictim->AddThreat(this, damage, (cleanDamage && cleanDamage->hitOutCome == MELEE_HIT_CRIT), damageSchoolMask, spellProto);
         }
         else                                                // victim is a player
         {
@@ -1125,7 +1125,7 @@ void Unit::CalculateSpellDamage(SpellNonMeleeDamage *damageInfo, int32 damage, S
 
 void Unit::DealSpellDamage(SpellNonMeleeDamage *damageInfo, bool durabilityLoss)
 {
-    if (damageInfo==0)
+    if (!damageInfo)
         return;
 
     Unit *pVictim = damageInfo->target;
@@ -1152,8 +1152,8 @@ void Unit::DealSpellDamage(SpellNonMeleeDamage *damageInfo, bool durabilityLoss)
             return;
     }
 
-    // Call default DealDamage
-    CleanDamage cleanDamage(damageInfo->cleanDamage, BASE_ATTACK, MELEE_HIT_NORMAL);
+    // Call default DealDamage (send critical in hit info for threat calculation)
+    CleanDamage cleanDamage(damageInfo->cleanDamage, BASE_ATTACK, damageInfo->HitInfo & SPELL_HIT_TYPE_CRIT ? MELEE_HIT_CRIT : MELEE_HIT_NORMAL);
     DealDamage(pVictim, damageInfo->damage, &cleanDamage, SPELL_DIRECT_DAMAGE, SpellSchoolMask(damageInfo->schoolMask), spellProto, durabilityLoss);
 }
 
@@ -10196,7 +10196,10 @@ bool Unit::CanHaveThreatList() const
 
 float Unit::ApplyTotalThreatModifier(float threat, SpellSchoolMask schoolMask)
 {
-    if(!HasAuraType(SPELL_AURA_MOD_THREAT))
+    if (!HasAuraType(SPELL_AURA_MOD_THREAT))
+        return threat;
+
+    if (schoolMask == SPELL_SCHOOL_MASK_NONE)
         return threat;
 
     SpellSchools school = GetFirstSchoolInMask(schoolMask);
@@ -10206,11 +10209,11 @@ float Unit::ApplyTotalThreatModifier(float threat, SpellSchoolMask schoolMask)
 
 //======================================================================
 
-void Unit::AddThreat(Unit* pVictim, float threat, SpellSchoolMask schoolMask, SpellEntry const *threatSpell)
+void Unit::AddThreat(Unit* pVictim, float threat, bool crit, SpellSchoolMask schoolMask, SpellEntry const *threatSpell /*= NULL*/)
 {
     // Only mobs can manage threat lists
     if(CanHaveThreatList())
-        m_ThreatManager.addThreat(pVictim, threat, schoolMask, threatSpell);
+        m_ThreatManager.addThreat(pVictim, threat, crit, schoolMask, threatSpell);
 }
 
 //======================================================================
diff --git a/src/game/Unit.h b/src/game/Unit.h
index b1787d6f7..490875d1a 100644
--- a/src/game/Unit.h
+++ b/src/game/Unit.h
@@ -1336,7 +1336,8 @@ class MANGOS_DLL_SPEC Unit : public WorldObject
 
         // Threat related methods
         bool CanHaveThreatList() const;
-        void AddThreat(Unit* pVictim, float threat, SpellSchoolMask schoolMask = SPELL_SCHOOL_MASK_NORMAL, SpellEntry const *threatSpell = NULL);
+        void AddThreat(Unit* pVictim, float threat, bool crit, SpellSchoolMask schoolMask, SpellEntry const *threatSpell = NULL);
+        void AddThreat(Unit* pVictim) { AddThreat(pVictim, 0.0f, false, SPELL_SCHOOL_MASK_NORMAL, NULL); }
         float ApplyTotalThreatModifier(float threat, SpellSchoolMask schoolMask = SPELL_SCHOOL_MASK_NORMAL);
         void DeleteThreatList();
         bool SelectHostileTarget();
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 0a10f6567..8b4a55c34 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "8657"
+ #define REVISION_NR "8658"
 #endif // __REVISION_NR_H__