notice
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Announcement
7/21/2026
Notice Regarding Speed Server Plus Content
Dear MUtizens, We would like to express our sincere gratitude to everyone who participated in the Speed Server. To support players who continue their journey on the main server after transferring from the Speed Server, we have prepared a special "Speed Server Plus" event. Through the "Speed Server...
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Patch Note
7/21/2026
Patch Notes - July 21st, 2026
Dear Mutizens, Please find the latest update details for MU Online on July 21st, 2026. ■ MU Online [Event Starts] 1. Season 21-1 Update Speed Server Event has started 2. MU Season Pass has started 3. Maze of Dimensions league has started [Patches] 1. Scroll Buff items are replaced with 'Contrac...
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Announcement
7/16/2026
2026 Summer Elemental Capsule Ranking Event Winner Announcement
Greetings, 2026 Summer Elemental Capsule RankingEventhas ended. Thank you all forplaying MU Online and participating the event. We happily announce the 1st~50th ranked players of total accumulated score. For the ranked players of 1st~50th, please submit a CS ticket regarding your reward choice. ...
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Maintenance
7/16/2026
Scheduled Maintenance on July 21st, 2026 (03:00 ~ 09:00 UTC)
Dear Mutizens, There will be scheduled maintenance performed on all servers on July 21st, 2026 (UTC). Please refer to the following maintenance details. [Maintenance Schedule] 03:00 ~ 09:00 (UTC) - 6 hours Thank you, MU Online Team.
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Patch Note
7/14/2026
Patch Notes - July 14th, 2026
Dear Mutizens, Please find the latest update details for MU Online on July 14th, 2026. ■ MU Online [Event Starts] 1. Season 21-1 Update Pre-register Event has started 2. Summer Mystic Gift Box Event 3. Egg of Monsters [Event Ends] 1. Elemental Change Event Thank you. MU Support Team
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Maintenance
7/13/2026
[09:40 Early Open] Scheduled Maintenance on July 14th, 2026 (02:00 ~ 10:00 UTC)
Dear Mutizens, There will be scheduled maintenance performed on all servers on July 14th, 2026 (UTC). Please refer to the following maintenance details. [Maintenance Schedule] 03:00 ~ 09:00 02:00 ~ 09:40 (UTC) - 7 hours 40 minutes * The Second-half Windows update and server stabilization a...
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Maintenance
7/9/2026
[08:00 Open] Urgent Maintenance on July 9th, 2026 (revised)
Greetings, There will be an urgent maintenance performed on all servers onJuly 9th,2026(UTC). Please refer to the following maintenance details. [Maintenance Schedule]06:30 ~ 08:00 (UTC) - 1 hour 30minutes We apologize for the imminent maintenance as it is required to stabilize servers. As a mai...
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Maintenance
7/3/2026
No Scheduled Maintenance on July 7th, 2026
Dear Mutizens, Please be informed that regular maintenance will not take place on July 7th 2026. The next maintenance schedule will be announced through a separate notice. Thank you. MU Online Team
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Patch Note
6/30/2026
Patch Notes - June 30th, 2026
Dear Mutizens, Please find the latest update details for MU Online on June 30th, 2026. ■ MU Online [Event Ends] 1. Golden Colossus Event 2. Maze of Dimensions League 3. 29th MU Season Pass Thank you. MU Support Team
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Maintenance
6/29/2026
[09:00 Open] Scheduled Maintenance on June 30th, 2026 (03:00~09:00 UTC)
Dear Mutizens, There will be scheduled maintenance performed on all servers on June 30th, 2026 (UTC). Please refer to the following maintenance details. [Maintenance Schedule] 03:00 ~ 09:00 (UTC) - 6 hours * The first-half Windows update is scheduled to take place. * Rare Ticket 12 is sc...
