Expert Collector of Thunder Griffins Expert Collector > Page: 15 Acquiring Req.: Collect at least 50 Thunder Griffins. Reward: When collecting Thunder Griffins, the Collectable Item is doubled. Thunder Griffin Lv 48 Legendary Thunder Griffin Hunter Natural Enemy (41-50) > Page: 4 Acquiring Req.: Kill at least 308 Thunder Griffins. (Thunder Griffin's Natural Enemy Title is required.) Reward: Killing Thunder Griffins grants you bonus XPs. Thunder Griffin Lv 48 Thunder Griffin's Natural Enemy Natural Enemy (41-50) > Page: 4 Acquiring Req.: Kill at least 132 Thunder Griffins. Reward: Killing Thunder Griffins grants you bonus XPs. Thunder Griffin Lv 48