Expert Collector of Harpy Airwalkers Expert Collector > Page: 7 Acquiring Req.: Collect at least 50 Harpy Airwalkers. Reward: When collecting Harpy Airwalkers, the Collectable Item is doubled. Harpy Airwalker Lv 49 Harpy Airwalker's Natural Enemy Natural Enemy (41-50) > Page: 8 Acquiring Req.: Kill at least 132 Harpy Airwalkers. Reward: Killing Harpy Airwalkers grants you bonus XP. Harpy Airwalker Lv 49 Legendary Harpy Airwalker Hunter Natural Enemy (41-50) > Page: 8 Acquiring Req.: Kill at least 308 Harpy Airwalkers. (Harpy Airwalker's Natural Enemy Title is required.) Reward: Killing Harpy Airwalkers grants you bonus XP. Harpy Airwalker Lv 49