Leveling XP ExpandXP Needed to Upgrade This Pet from its Previous Level LevelCOMMONUNCOMMONRAREEPICLEGENDARYMYTHIC Kat Caretaking Costs Katcan upgrade all rarities of thispet. For each level the pet has, there is a0.3%discount. The time listed is in real life days,notin-game time. ...