Expert Collector of Frenzy Zombie Leaders Expert Collector > Page: 24 Acquiring Req.: Collect at least 50 Frenzy Zombie Leaders. Reward: When collecting Frenzy Zombie Leaders, the Collectable Item is doubled. Frenzy Zombie Leader Lv 21 Frenzy Zombie Leader's Natural Enemy Natural Enemy (21-30) > Page: 8 Acquiring Req.: Kill at least 51 Frenzy Zombie Leaders. Reward: Killing Frenzy Zombie Leaders grants you bonus XP. Frenzy Zombie Leader Lv 21 Legendary Frenzy Zombie Leader Hunter Natural Enemy (21-30) > Page: 8 Acquiring Req.: Kill at least 119 Frenzy Zombie Leaders. (Frenzy Zombie Leader's Natural Enemy Title is required.) Reward: Killing Frenzy Zombie Leaders grants you bonus XP. Frenzy Zombie Leader Lv 21