Expert Collector of Dark Crusters Expert Collector > Page: 12 Acquiring Req.: Collect at least 50 Dark Crusters. Reward: When collecting Dark Crusters, the Collectable Item is doubled. Dark Cruster Lv 47 Dark Cruster's Natural Enemy Natural Enemy (41-50) > Page: 14 Acquiring Req.: Kill at least 132 Dark Crusters. Reward: Killing Dark Crusters grants you bonus XP. Dark Cruster Lv 47 Legendary Dark Cruster Hunter Natural Enemy (41-50) > Page: 14 Acquiring Req.: Kill at least 308 Dark Crusters. (Dark Cruster's Natural Enemy Title is required.) Reward: Killing Dark Crusters grants you bonus XP. Dark Cruster Lv 47