Expert Collector of Sky Avenger Soldiers Expert Collector > Page: 42 Acquiring Req.: Collect at least 50 Sky Avenger Soldiers. Reward: When collecting Sky Avenger Soldiers, the Collectable Item is doubled. Sky Avenger Soldier Lv 67 Legendary Sky Avenger Soldier Hunter Natural Enemy (61-70) > Page: 8 Acquiring Req.: Kill at least 539 Sky Avenger Soldiers. (Sky Avenger Soldier's Natural Enemy Title is required.) Reward: Killing Sky Avenger Soldiers grants you bonus XP. Sky Avenger Soldier Lv 67 Sky Avenger Soldier's Natural Enemy Natural Enemy (61-70) > Page: 8 Acquiring Req.: Kill at least 231 Sky Avenger Soldiers. Reward: Killing Sky Avenger Soldiers grants you bonus XP. Sky Avenger Soldier Lv 67