Lazy Bone King's Natural Enemy Natural Enemy (31-40) > Page: 23 Acquiring Req.: Kill at least 90 Lazy Bone Kings. Reward: Killing Lazy Bone Kings grants you bonus XP. Lazy Bone King Lv 31 Legendary Lazy Bone King Hunter Natural Enemy (31-40) > Page: 23 Acquiring Req.: Kill at least 210 Lazy Bone Kings. (Lazy Bone King's Natural Enemy Title is required.) Reward: Killing Lazy Bone Kings grants you bonus XP. Lazy Bone King Lv 31