Harlequin MkIV's Natural Enemy Natural Enemy (81-90) > Page: 3 Acquiring Req.: Kill at least 339 Harlequin MkIV. Reward: Killing Harlequin MkIVs grants you bonus XP. Harlequin MkIV Lv 82 Legendary Harlequin MkIV Hunter Natural Enemy (81-90) > Page: 4 Acquiring Req.: Kill at least 791 Harlequin MkIV. (Harlequin MkIV's Natural Enemy Title is required.) Reward: Killing Harlequin MkIVs grants you bonus XP. Harlequin MkIV Lv 82