Expert Collector of Runebat Leaders Expert Collector > Page: 4 Acquiring Req.: Collect at least 50 Runebat Leaders. Reward: When collecting Runebat Leaders, the Collectable Item is doubled. Runebat Leader Lv 29 Legendary Runebat Leader Hunter Natural Enemy (21-30) > Page: 21 Acquiring Req.: Kill at least 119 Runebat Leaders. (Runebat Leader's Natural Enemy Title is required.) Reward: Killing Runebat Leaders grants you bonus XP. Runebat Leader Lv 29 Runebat Leader's Natural Enemy Natural Enemy (21-30) > Page: 21 Acquiring Req.: Kill at least 51 Runebat Leaders. Reward: Killing Runebat Leaders grants you bonus XP. Runebat Leader Lv 29