Expert Collector of Erinies Knights Expert Collector > Page: 18 Acquiring Req.: Collect at least 50 Erinies Knights. Reward: When collecting Erinies Knights, the Collectable Item is doubled. Erinies Knight Lv 62 Erinies Knight's Natural Enemy Natural Enemy (61-70) > Page: 8 Acquiring Req.: Kill at least 231 Erinies Knights. Reward: Killing Erinies Knights grants you bonus XP. Erinies Knight Lv 62 Legendary Erinies Knight Hunter Natural Enemy (61-70) > Page: 8 Acquiring Req.: Kill at least 539 Erinies Knights. (Erinies Knight's Natural Enemy Title is required.) Reward: Killing Erinies Knights grants you bonus XP. Erinies Knight Lv 62