MU Online Official

Notice of Data Rollback Regarding External Attack on Tuesday, October 1st

Hello, this is the MU Online Team. First and foremost, we sincerely and deeply apologize for the great inconvenience and concern caused by the unexpected and abnormal circumstances regarding your game access. Around 14:00 (UTC) on Wednesday, October 1, 2025, an external attack occurred on Global...

MUONLINE - URGENT Security Notice

Greetings MUtizens, We are aware of the ongoing critical security issue in the game and are taking immediate measures to resolve it. We offer our sincerest apologies for the disruption and inconvenience this has caused all players. The Issue at Hand: We have confirmed a security exploit that is al...

URGENT: Emergency Server Maintenance Announcement

Greetings MUtizens, Due to the critical security exploit allowing unauthorized access to GM commands, we must immediately take the server offline to implement a fix and ensure game integrity. We sincerely apologize for this inconvenience Maintenance Details Reason: To resolve the critical exploi...

Season 20 Part 1 Roulette Ranking Event Winner Announcement

Thanks for your participation in our Roulette Event

Mastery & Mystery Event has returned

Notice regarding MU Lite event end period

Dear MU Lite Players, This announcement is to formally inform you that the MU Lite event will officially conclude on, October 28th. We encourage all players to make full use of their in-game resources, including any unique items, currency, or materials acquired through the MU Lite event, before the ...

MU Online Survey Event

MU ONLINE Survey Event Greetings, warriors of MU ONLINE! We want to invite our entire community to participate in an Survey event to help us improve the game. Your valuable feedback is essential! The survey will only take you about 2 to 3 minutes and all users who complete the survey will receive r...

Season 20-1 Lapidary Stone Ranking Winner Announcement (1st~3rd Week)

For the ranked players of 1st~10th, please submit a CS ticket regarding your reward choice.

Notice on Legendary Gears Crafting and Mysterious Stone Usage

Greetings, We would like to inform that the Legendary gears have been updated on September 9th (UTC) after the Season 20-1 3rd Update, and we would like to inform you to be cautious in crafting the Legendary gears and using Mysterious Stone. 1. For Legendary gears, the range of max option has bee...

Winner Announcement for Season 20-1 Speed Server Ranking Event (Item Delivered)

Greetings, The Season 20-1 Speed Server - Level Up Ranking Eventhas ended. We would like to thank each and every players who have participated and taken deep interest to this year's Speed Server. The 1st ~ 5th Ranked players of this event are as follows. Rank Name Reward 1 Chi**** ...