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