Expert Collector of Stone Eaters Expert Collector > Page: 6 Acquiring Req.: Collect at least 50 Stone Eaters. Reward: When collecting Stone Eaters, the Collectable Item is doubled. Stone Eater Lv 20 Legendary Stone Eater Hunter Natural Enemy (11-20) > Page: 10 Acquiring Req.: Kill at least 63 Stone Eaters. (Stone Eater's Natural Enemy Title is required.) Reward: Killing Stone Eaters grants you bonus XP. Stone Eater Lv 20 Stone Eater's Natural Enemy Natural Enemy (11-20) > Page: 9 Acquiring Req.: Kill at least 27 Stone Eaters. Reward: Killing Stone Eaters grants you bonus XP. Stone Eater Lv 20