Hillary's Natural Enemy Natural Enemy (21-30) > Page: 6 Acquiring Req.: Kill at least 51 Hillaries. Reward: Killing Hillaries grants you bonus XP. Hillary Lv 22 Legendary Hillary Hunter Natural Enemy (21-30) > Page: 6 Acquiring Req.: Kill at least 119 Hillaries. (Hillary's Natural Enemy Title is required.) Reward: Killing Hillaries grants you bonus XP. Hillary Lv 22