diff --git a/src/server/game/Spells/Auras/SpellAuraEffects.cpp b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
index b012d2b3592..aa2822ad817 100644
--- a/src/server/game/Spells/Auras/SpellAuraEffects.cpp
+++ b/src/server/game/Spells/Auras/SpellAuraEffects.cpp
@@ -3921,6 +3921,9 @@ void AuraEffect::HandleAuraModCritPct(AuraApplication const* aurApp, uint8 mode,
         return;
 
     Unit* target = aurApp->GetTarget();
+    int32 spellGroupVal = target->GetHighestExclusiveSameEffectSpellGroupValue(this, SPELL_AURA_MOD_CRIT_PCT);
+    if (abs(spellGroupVal) >= abs(GetAmount()))
+        return;
 
     if (target->GetTypeId() != TYPEID_PLAYER)
     {
@@ -3928,6 +3931,13 @@ void AuraEffect::HandleAuraModCritPct(AuraApplication const* aurApp, uint8 mode,
         return;
     }
 
+    if (spellGroupVal)
+    {
+        target->ToPlayer()->HandleBaseModValue(CRIT_PERCENTAGE,         FLAT_MOD, float (GetAmount()), !apply);
+        target->ToPlayer()->HandleBaseModValue(OFFHAND_CRIT_PERCENTAGE, FLAT_MOD, float (GetAmount()), !apply);
+        target->ToPlayer()->HandleBaseModValue(RANGED_CRIT_PERCENTAGE,  FLAT_MOD, float (GetAmount()), !apply);
+    }
+
     target->ToPlayer()->HandleBaseModValue(CRIT_PERCENTAGE,         FLAT_MOD, float (GetAmount()), apply);
     target->ToPlayer()->HandleBaseModValue(OFFHAND_CRIT_PERCENTAGE, FLAT_MOD, float (GetAmount()), apply);
     target->ToPlayer()->HandleBaseModValue(RANGED_CRIT_PERCENTAGE,  FLAT_MOD, float (GetAmount()), apply);
@@ -3947,6 +3957,13 @@ void AuraEffect::HandleModCastingSpeed(AuraApplication const* aurApp, uint8 mode
 
     Unit* target = aurApp->GetTarget();
 
+    int32 spellGroupVal = target->GetHighestExclusiveSameEffectSpellGroupValue(this, GetAuraType());
+    if (abs(spellGroupVal) >= abs(GetAmount()))
+        return;
+
+    if (spellGroupVal)
+        target->ApplyCastTimePercentMod((float)GetAmount(), !apply);
+
     target->ApplyCastTimePercentMod((float)GetAmount(), apply);
 }
 
@@ -4015,10 +4032,25 @@ void AuraEffect::HandleModMeleeSpeedPct(AuraApplication const* aurApp, uint8 mod
     if (!(mode & (AURA_EFFECT_HANDLE_CHANGE_AMOUNT_MASK | AURA_EFFECT_HANDLE_STAT)))
         return;
 
-    //! ToDo: Haste auras with the same handler _CAN'T_ stack together
     Unit* target = aurApp->GetTarget();
     bool applyRegenPct = GetAuraType() != SPELL_AURA_MOD_MELEE_HASTE_3 && GetAuraType() != SPELL_AURA_MOD_RANGED_HASTE_2;
 
+    int32 spellGroupVal = target->GetHighestExclusiveSameEffectSpellGroupValue(this, GetAuraType());
+    if (abs(spellGroupVal) >= abs(GetAmount()))
+        return;
+
+    if (spellGroupVal)
+    {
+        if (target->GetTypeId() == TYPEID_PLAYER && applyRegenPct && GetBase()->HasEffectType(SPELL_AURA_MOD_MELEE_HASTE_3))
+            target->ApplyRegenMod(BASE_ATTACK, (float)GetAmount(), !apply);
+        else
+        {
+            target->ApplyAttackTimePercentMod(BASE_ATTACK, (float)GetAmount(), !apply);
+            target->ApplyAttackTimePercentMod(OFF_ATTACK, (float)GetAmount(), !apply);
+            target->ApplyRegenMod(BASE_ATTACK, (float)GetAmount(), !apply);
+        }
+    }
+
     // Auras that only increase regeneration
     if (target->GetTypeId() == TYPEID_PLAYER && applyRegenPct && GetBase()->HasEffectType(SPELL_AURA_MOD_MELEE_HASTE_3))
         target->ApplyRegenMod(BASE_ATTACK, (float)GetAmount(), apply);
@@ -4035,8 +4067,17 @@ void AuraEffect::HandleAuraModRangedHaste(AuraApplication const* aurApp, uint8 m
     if (!(mode & (AURA_EFFECT_HANDLE_CHANGE_AMOUNT_MASK | AURA_EFFECT_HANDLE_STAT)))
         return;
 
-    //! ToDo: Haste auras with the same handler _CAN'T_ stack together
     Unit* target = aurApp->GetTarget();
+    int32 spellGroupVal = target->GetHighestExclusiveSameEffectSpellGroupValue(this, GetAuraType());
+    if (abs(spellGroupVal) >= abs(GetAmount()))
+        return;
+
+    if (spellGroupVal)
+    {
+        target->ApplyAttackTimePercentMod(RANGED_ATTACK, (float)GetAmount(), !apply);
+        if (GetAuraType() != SPELL_AURA_MOD_MELEE_RANGED_HASTE_2 && GetAuraType() != SPELL_AURA_MOD_RANGED_HASTE_2)
+            target->ApplyRegenMod(RANGED_ATTACK, (float)GetAmount(), !apply);
+    }
 
     target->ApplyAttackTimePercentMod(RANGED_ATTACK, (float)GetAmount(), apply);
     if (GetAuraType() != SPELL_AURA_MOD_MELEE_RANGED_HASTE_2 && GetAuraType() != SPELL_AURA_MOD_RANGED_HASTE_2)