Core/Pets: Water Elementals are now permanent pets

src/server/game/Entities/Pet/Pet.cpp

@@ -1720,6 +1720,8 @@ bool Pet::IsPermanentPetFor(Player* owner)
                     return GetCreatureInfo()->type == CREATURE_TYPE_DEMON;
                 case CLASS_DEATH_KNIGHT:
                     return GetCreatureInfo()->type == CREATURE_TYPE_UNDEAD;
+                case CLASS_MAGE:
+                    return GetCreatureInfo()->type == CREATURE_TYPE_ELEMENTAL;
                 default:
                     return false;
             }