Expert Collector of Black Assassin Commanders Expert Collector > Page: 36 Acquiring Req.: Collect at least 50 Black Assassin Commanders. Reward: When collecting Black Assassin Commanders, the Collectable Item is doubled. Black Assassin Commander Lv 44 Black Assassin Commander's Natural Enemy Natural Enemy (41-50) > Page: 12 Acquiring Req.: Kill at least 132 Black Assassin Commanders. Reward: Killing Black Assassin Commanders grants you bonus XP. Black Assassin Commander Lv 44 Legendary Black Assassin Commander Hunter Natural Enemy (41-50) > Page: 12 Acquiring Req.: Kill at least 308 Black Assassin Commanders. (Black Assassin Commander's Natural Enemy Title is required.) Reward: Killing Black Assassin Commanders grants you bonus XP. Black Assassin Commander Lv 44