diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index 5cf798604..2eda1f171 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -6159,7 +6159,7 @@ void Unit::SendAttackStateUpdate(uint32 HitInfo, Unit* target, uint8 /*SwingType
 }
 
 //victim may be nullptr
-bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown)
+bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown, Spell const* spellProc /*= nullptr*/)
 {
     SpellInfo const* dummySpell = triggeredByAura->GetSpellInfo();
     uint32 effIndex = triggeredByAura->GetEffIndex();
@@ -7085,7 +7085,7 @@ bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggere
                     case 28719:
                         {
                             // mana back
-                            basepoints0 = int32(CalculatePct(procSpell->ManaCost, 30));
+                            basepoints0 = int32(CalculatePct(spellProc->GetPowerCost(), 30));
                             target = this;
                             triggered_spell_id = 28742;
                             break;
@@ -16000,7 +16000,7 @@ void Unit::ProcDamageAndSpellFor(bool isVictim, Unit* target, uint32 procFlag, u
                     case SPELL_AURA_DUMMY:
                         {
                             LOG_DEBUG("spells.aura", "ProcDamageAndSpell: casting spell id {} (triggered by {} dummy aura of spell {})", spellInfo->Id, (isVictim ? "a victim's" : "an attacker's"), triggeredByAura->GetId());
-                            if (HandleDummyAuraProc(target, damage, triggeredByAura, procSpellInfo, procFlag, procExtra, cooldown))
+                            if (HandleDummyAuraProc(target, damage, triggeredByAura, procSpellInfo, procFlag, procExtra, cooldown, procSpell))
                                 takeCharges = true;
                             break;
                         }
diff --git a/src/server/game/Entities/Unit/Unit.h b/src/server/game/Entities/Unit/Unit.h
index d4e5190f9..d5372a15f 100644
--- a/src/server/game/Entities/Unit/Unit.h
+++ b/src/server/game/Entities/Unit/Unit.h
@@ -2508,7 +2508,7 @@ protected:
 
 private:
     bool IsTriggeredAtSpellProcEvent(Unit* victim, Aura* aura, WeaponAttackType attType, bool isVictim, bool active, SpellProcEventEntry const*& spellProcEvent, ProcEventInfo const& eventInfo);
-    bool HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown);
+    bool HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown, Spell const* spellProc = nullptr);
     bool HandleAuraProc(Unit* victim, uint32 damage, Aura* triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown, bool* handled);
     bool HandleProcTriggerSpell(Unit* victim, uint32 damage, AuraEffect* triggeredByAura, SpellInfo const* procSpell, uint32 procFlag, uint32 procEx, uint32 cooldown, uint32 procPhase, ProcEventInfo& eventInfo);
     bool HandleOverrideClassScriptAuraProc(Unit* victim, uint32 damage, AuraEffect* triggeredByAura, SpellInfo const* procSpell, uint32 cooldown);