Game SystemArtifact System
Artifact System guide for MU Online: requirements, steps, rules and progression information for LigaMU PRO.
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MU Online FAQ and Wiki
Find MU Online (muonline) guides for classes, quests, items, events and server systems. Browse the LigaMU PRO wiki or search for a topic.
THE MU KNOWLEDGE ATLAS
Every adventure starts with knowing.
Explore the LigaMU PRO library for MU Online Season 21. Find MuOnline classes, equipment, quests, boss encounters and the systems behind your next step.
Season 21MuOnline · WIKI
THE COMPLETE MU ONLINE COLLECTION
Game System
Explore the guides in this MU Online collection. Search within the topic or move to another chapter of the LigaMU Wiki.
Game System
Game SystemBasic Info
This is all the basic information you need to know about Mu Online when you are a beginner, explanation of each area of the game screen, chat functions, shortcut keys, move command, command system, hunting log, check and increase stats, all types of currency, item options, enhance and combine items.
Game SystemBox Drop
Game SystemCash Shop
Game SystemElemental System
Elemental System guide for MU Online: requirements, steps, rules and progression information for LigaMU PRO.
Game SystemErrtels — Crafting and Upgrades
Errtels guide for MU Online: requirements, steps, rules and progression information for LigaMU PRO.
Game SystemEXP System
LigaMU PRO uses a progressive Dynamic Experience system.
Game SystemGuardian System
Guardian System guide for MU Online: requirements, steps, rules and progression information for LigaMU PRO.
Game SystemItem Bank
Game SystemItem Price System
Game SystemEnhanced Item
Game SystemLevel Up Compensation
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KILLER 
To be the killer of LIGAMU PRO Mu you must be the player with the highest number of Murders. (The sum of custom events, in-game events, duels, and common kills.)
To be LIGAMU PRO Mu's killer, you must be the player with the highest number of kills. (Custom events, in-game events, duels, and regular kills are all counted).
Daily updatedLEGENDARY 
To remain in the legend position, you must be the player with the most levels. (Sum between Levels and Master Levels).
To stay in the legendary position, you must be the player with the highest total levels (Levels + Master Levels).
Daily updatedVICIUS 
He is the character with the most ONLINE hours accumulated in the game.
This is the character with the highest accumulated ONLINE playtime in-game.
Daily updatedLIGAMU PRO 
The LIGAMU PRO ranking system is the result of a mathematical combination between different events, murders and/or some personal issues on the server.
The LIGAMU PRO ranking is calculated from multiple event scores, kills, and other server progression factors.
Weekly updatedHERO 
The character with the most PK (Assassins) eliminated, since we consider it important that someone takes care of the assassins, in addition to the guards.
The character who eliminated the most PK players (murderers), which rewards anti-PK gameplay.
Weekly updatedMURDERER 
The character with the most duels won, only those with different IP/HardwareID are counted to ensure that they do not duel each other.
The character with the most duel wins. Only duels with different IP/HardwareID are counted to prevent abuse.
Weekly updated