Guide library

MU Online Guides

Search commands, hotkeys, class guides, jewels, maps, events, PvP, boss drops and upgrade help. Every result opens the full guide.

360 guides

MU Online knowledge base

MU Online guides for beginners, commands, classes, jewels, maps, events and PvP

Search the library or pick a category above. You will find commands and hotkeys, stat builds, every class, jewels and item upgrades, maps and boss drops, PvP, Castle Siege, Blood Castle, Chaos Castle, Ice Wind Valley and Arca War, plus fixes for crashes, disconnects and resolution settings.

Start faster

New here? Begin with the beginner guide, the commands and hotkeys list, the class guides and the MU Helper setup.

Build stronger characters

Find class guides for Dark Knight, Dark Wizard, Elf, Magic Gladiator, Dark Lord, Summoner, Rage Fighter, Alchemist, Crusader and more.

Upgrade smarter

Learn about Helix Jewels, Volt Jewels, Kingz Jewels, Supreme Jewels, mastery gear, wings, pentagrams and boss drops.

Win more events

Open guides for PvP, Castle Siege, Ice Wind Valley, Blood Castle, Chaos Castle, Arca War, guild systems and party play.