Expert Collector of Troll Slaves Expert Collector > Page: 8 Acquiring Req.: Collect at least 50 Troll Slaves. Reward: When collecting Troll Slaves, the Collectable Item is doubled. Troll Slave Lv 19 Legendary Troll Slave Hunter Natural Enemy (11-20) > Page: 5 Acquiring Req.: Kill at least 63 Troll Slaves. (Troll Slave's Natural Enemy Title is required.) Reward: Killing Troll Slaves grants you bonus XP. Troll Slave Lv 19 Troll Slave's Natural Enemy Natural Enemy (11-20) > Page: 5 Acquiring Req.: Kill at least 27 Troll Slaves. Reward: Killing Troll Slaves grants you bonus XP. Troll Slave Lv 19