Expert Collector of Thieves Expert Collector > Page: 1 Acquiring Req.: Collect at least 50 Thieves. Reward: When collecting Thieves, the Collectable Item is doubled. Thief Lv 22 Legendary Thief Hunter Natural Enemy (21-30) > Page: 1 Acquiring Req.: Kill at least 119 Thieves. (Thief's Natural Enemy Title is required.) Reward: Killing Thieves grants you bonus XP. Thief Lv 22 Thief's Natural Enemy Natural Enemy (21-30) > Page: 1 Acquiring Req.: Kill at least 51 Thieves. Reward: Killing Thieves grants you bonus XP. Thief Lv 22