Karkas' Natural Enemy Natural Enemy (21-30) > Page: 5 Acquiring Req.: Kill at least 51 Karkases. Reward: Killing Karkases grants you bonus XP. Karkas Lv 21 Legendary Karkas Hunter Natural Enemy (21-30) > Page: 5 Acquiring Req.: Kill at least 119 Karkases. (Karkas' Natural Enemy Title is required.) Reward: Killing Karkases grants you bonus XP. Karkas Lv 21