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