The Janissary quest is a mercenary recruitment quest chain offered by NPC Al Feren to unlock the Janissary mercenary. The objectives revolve around the Constantinople Battlefield dungeon. In order to complete the quest, you will need [Book: Wild Shot (Int)]×5, quest item [Necromancy Nullification Powder]×10 and item info on [Violent Elephant]. They can be obtained during the quest or beforehand. This quest can be reset by trading [Secrets of Time: Janissary]×1 with NPC Hui Chao or by choosing 'Reset' on the quest menu (Alt+L).