Opens At: Lv.50
Opening Times: The Boss’ Lair is open for quite a while; opening on the hour, every hour between 14:00 and 19:00. You can take part twice a day.
Rewards: Glory, Boss Chests (gives Gear. Some Gear can only be obtained here). Silver Whistles can also be obtained from Bosses who are Lv.65 and above.
How to Play: Team-up to fight. There are 7 Floors in the Boss’ Lair, and a chance of meeting an opponent on each Floor, the winner of which will advance. The first ten teams to reach Floor 7 can challenge the Boss.