MU BATTLEGROUND 25
Online

Devil Square

What is Devil's Square

Devil's Square – is a quest to test the strength and endurance of MU Online players. The reward for winners is experience and a huge amount of Zen.

How to enter Devil's Square

The pass to Devil's Square is Devil's Square Invitation. It is created in Chaos Machine. To create it you need Devil's Key and Devil's Eye (all must be same level) and one Jewel of Chaos (not needed for Devil's Square Invitation +1). All this is combined with different success probability and requires a certain amount of Zen.
ATTENTION: Server has a limit on event visits (3 times per day per character)

Devil's Key +[1-6] Devil's Eye +[1-6] 1x Jewel of Chaos Devil's Square Invintation +[1-6]

Quest time

Charon

At a certain time, messages will appear in the MUonline game: "15 (10.5) minute(s) left before Devil's Square opens!" After the specified time has passed, the message "The gates of Devil's Square are open!" will appear. As soon as you see this message, immediately go with the Devil's Square Invitation to Charon (he's located in Arkania). Talk to him, and a table will appear on the screen in which you must select the appropriate Devil's Square level for your character (the Devil's Square Invitation in your inventory must be of the same level). If you've done everything correctly, you'll enter Devil's Square.

Resets for login

NameMy ResetMax Reset
Devil Square1010
Devil Square21124
Devil Square32535
Devil Square43649
Devil Square55060
Devil Square661100

After teleporting to Devil's Square, you are given time to prepare for battle and create a party from the participants present.

Battle

   

You have 15 minutes to complete the entire quest. More powerful monsters appear every 5-7 minutes. You must survive in Devil's Square until the end to complete the quest.

The best MU Online players who kill the most monsters and survive to the end will be rewarded with a huge amount of experience and Zen.

Posted: March 21, 2026
Currently this is only one server.
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