Core/Spells: Fixed mage's Permafrost

src/server/game/Entities/Unit/Unit.cpp

@@ -5681,6 +5681,20 @@ bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggere
                     triggered_spell_id = 64413;
                     break;
                 }
+                // Permafrost
+                case 11175:
+                case 12569:
+                case 12571:
+                {
+                    if (!GetGuardianPet())
+                        return false;
+
+                    // heal amount
+                    basepoints0 = CalculatePct(damage, triggerAmount);
+                    target = this;
+                    triggered_spell_id = 91394;
+                    break;
+                }
             }
             break;
         }