Devil Square
The Devil Square Event is a key feature in Mu Online, offering players a chance to battle hordes of monsters and earn valuable rewards.
Below is a detailed guide on how the event works and what rewards you can expect.
 | NPC Coordinates : Lorencia 131 , 121 Noria 172 , 105 |
Entry RequirementsRooms 1 to 6: Accessible to players who have not yet completed their 3rd Class Quest. Room 7: Available exclusively to players who have passed the 3rd Class Quest. |
Invitation ingredients :
 Devil's Key +
In case of success: Devil Square Invitation In case of fail |
Entry LimitsWithout Premium Account: 3 entries per day. With Premium Account: 5 entries per day. |
RewardsRooms 1 to 6: Stone of Tarkan,Stone of Raklion,Experience Room 7: Stone of Tarkan
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Devil's Eye
(from 1 to 5 you can find in “Lumen the Barmaid” Npc in Lorencia bar).For +7 ingredients you can find on monsters with level 100 and more .
,Stone of Raklion 
,Gold Key 
,Master ExperienceTips for Success
- Prioritize completing your 3rd Class Quest to access Room 7 for higher-tier rewards.
- Consider purchasing a Premium Account to maximize your daily entries and rewards.
- Coordinate with party members for efficient monster clearing in higher-level rooms.