In basic, this is a quest the same Chess Challenge.
In the game, 200 Antique Chests will appear. You kill this and BOSS will appear.
Killing BOSS, you get a lot of EXP and items!!!
Condition: Level >75.
Discipline > 40.
NPC:
-Smart King, Kroraina(161,75)
Content:
You must create a team with minimum 3 people to duel Quest.
You can get more EXP compare to Training MAP.