Expert Collector of Centaur Archers Expert Collector > Page: 16 Acquiring Req.: Collect at least 50 Centaur Archers. Reward: When collecting Centaur Archers, the Collectable Item is doubled. Centaur Archer Lv 49 Centaur Archer's Natural Enemy Natural Enemy (41-50) > Page: 4 Acquiring Req.: Kill at least 132 Centaur Archers. Reward: Killing Centaur Archers grants you bonus XP. Centaur Archer Lv 49 Legendary Centaur Archer Hunter Natural Enemy (41-50) > Page: 4 Acquiring Req.: Kill at least 308 Centaur Archers. (Centaur Archer's Natural Enemy Title is required.) Reward: Killing Centaur Archers grants you bonus XP. Centaur Archer Lv 49