Expert Collector of Cave Werewolf Slaves Expert Collector > Page: 11 Acquiring Req.: Collect at least 50 Cave Werewolf Slaves. Reward: When collecting Cave Werewolf Slaves, the Collectable Item is doubled. Cave Werewolf Slave Lv 27 Cave Werewolf Slave's Natural Enemy Natural Enemy (21-30) > Page: 14 Acquiring Req.: Kill at least 51 Cave Werewolf Slaves. Reward: Killing Cave Werewolf Slaves grants you bonus XP. Cave Werewolf Slave Lv 27 Legendary Cave Werewolf Slave Hunter Natural Enemy (21-30) > Page: 14 Acquiring Req.: Kill at least 119 Cave Werewolf Slaves. (Cave Werewolf Slave's Natural Enemy Title is required.) Reward: Killing Cave Werewolf Slaves grants you bonus XP. Cave Werewolf Slave Lv 27