Sobre Mu
Beginner Glossary
MU Online glossary: all terms and slang explained
Reset, BC, DS, exc, anc, wing, spot, bug bless... finally understand every term and slang used by the MU Online community.
The MU Online community uses lots of abbreviations and slang. If you're starting out, this glossary translates the most common terms you'll see in chat and guides.
Item terms
- Exc / Excellent: item with special options, very valuable;
- Anc / Ancient: old-set item with set bonus;
- Wing: back gear that grants bonuses and flight;
- Set: a full armor set, which gives a complete bonus;
- +0 to +15: item refine level.
Progression terms
- Reset: zeroing your level for bonuses;
- Grand Reset / GR: a "high-level" reset that zeroes your resets;
- Master Level / ML: advanced post-cap level system;
- Spot: a farming point with many monsters.
Event terms
- BC: Blood Castle; DS: Devil Square; CC: Chaos Castle;
- CS: Castle Siege; Invasion: special monster invasion.
Server terms
- Bug Bless: an old buff exploit technique;
- No-IP: dynamic DNS for servers without a static IP;
- MuServer: the set of programs that run the server;
- GM: Game Master, the server administrator.
Dica: Didn't get an abbreviation in chat? Most follow the English initials. When in doubt, ask the community — MU players tend to help beginners.
Nota: This glossary is alive: as new seasons bring mechanics, new terms appear. Suggest missing terms via our Discord.
Perguntas frequentes
What does 'exc' mean in MU Online?
'Exc' is short for Excellent — items with special options (like damage increase or HP recovery) that are far more valuable than common ones.
What is a 'spot' in MU?
A spot is a farming point: a map area with a good concentration of monsters to level or hunt items. Disputing spots is common on busy servers.