Expert Collector of Stone Spiders Expert Collector > Page: 4 Acquiring Req.: Collect at least 50 Stone Spiders. Reward: When collecting Stone Spiders, the Collectable Item is doubled. Rock Spider Lv 3 Legendary Stone Spider Hunter Natural Enemy (1-10) > Page: 2 Acquiring Req.: Kill at least 14 Stone Spiders. (Stone Spider's Natural Enemy Title is required.) Reward: Killing Stone Spiders grants you bonus XP. Rock Spider Lv 3 Stone Spider's Natural Enemy Natural Enemy (1-10) > Page: 1 Acquiring Req.: Kill at least 6 Stone Spiders. Reward: Killing Stone Spiders grants you bonus XP. Rock Spider Lv 3