Kaijan's Natural Enemy Natural Enemy (11-20) > Page: 12 Acquiring Req.: Kill at least 27 Kaijans. Reward: Killing Kaijans grants you bonus XP. Kaijan Lv 20 Legendary Kaijan Hunter Natural Enemy (11-20) > Page: 12 Acquiring Req.: Kill at least 63 Kaijans. (Kaijan's Natural Enemy Title is required.) Reward: Killing Kaijans grants you bonus XP. Kaijan Lv 20