Expert Collector of Dark Assassins Expert Collector > Page: 26 Acquiring Req.: Collect at least 50 Dark Assassins. Reward: When collecting Dark Assassins, the Collectable Item is doubled. Dark Assassin Lv 28 Dark Assassin's Natural Enemy Natural Enemy (21-30) > Page: 22 Acquiring Req.: Kill at least 51 Dark Assassins. Reward: Killing Dark Assassins grants you bonus XP. Dark Assassin Lv 28 Legendary Dark Assassin Hunter Natural Enemy (21-30) > Page: 22 Acquiring Req.: Kill at least 119 Dark Assassins. (Dark Assassin's Natural Enemy Title is required.) Reward: Killing Dark Assassins grants you bonus XP. Dark Assassin Lv 28