To gain access to the event you must combine in Noria Chaos Machine the following items:

* Devil's Key (level 1 to 4)
* Devil's Eye (level 1 to 4)
* Jewel of Chaos
* Both items must be the same level!

Starting Time: 01:00, 03:00, 05:00, 07:00, 09:00, 11:00, 13:00, 15:00, 17:00, 19:00, 21:00, 23:00

* During the event you will be attacked by diffrent hordes of monster at diffrent times.

Devil's Square Rewards:

Level of Devil Square	Rewards	Zen Reward
Devil Square 1	Jewel of Life	Zen Reward
Devil Square 2	Jewel of Life	Zen Reward
Devil Square 3	Jewel of Life	Zen Reward
Devil Square 4	Box of Kundun +3	Zen Reward

NOTES:

In the final stage of the monster attack, the following Golden Invasions will spawn: 1 Golden Goblin, 1 Golden Titan, and 1 Golden Dragon..