21th edition starts in
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December 12, 2025 - be prepared.
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Race ranking
Server Info
| Website |
greatmuonline.com |
| Version |
Season 6 Episode 3 |
| Exp |
x50 |
| Max Stats |
32767 |
| Max Item Level |
+15 +28opt |
| Create Guild |
400 level |
| Elf Buffer |
250 level |
| Helper |
50 level |
| Offline Helper |
Available in game, next to helper |
Character Creation
 Dark Wizzard |
1 level
|
 Dark Knight |
1 level
|
 Elf |
1 level
|
 Magic Gladiator |
1 level
|
 Dark Lord |
1 level
|
 Summoner |
1 level
|
 Rage Fighter |
1 level
|
As a result of recent changes allowing players to create any class starting from level 1, the warp level requirements and stat points per level have been aligned across all classes to ensure balance and consistency.
Party System
Experience: Level difference affects party EXP. Highest level always gets highest EXP.
Teleport: Requires half of map level requirement and 10kk zen. (5min Cooldown)
Search: Party search available in-game. "J"
Normal Party EXP
| 2 Players |
105% |
| 3 Players |
110% |
| 4 Players |
115% |
| 5 Players |
120% |
Special Party EXP
| 2 Players |
110% |
| 3 Players |
115% |
| 4 Players |
120% |
| 5 Players |
125% |
Jewel Success Rates
| Jewel of Chaos |
- |
| Jewel of Bless |
100% |
| Jewel of Soul |
60% (75% with luck) |
| Jewel of Life |
60% |
| Jewel of Skill |
50% |
| Jewel of Excellent |
100% (Tiers 1-6) |
| Jewel of Luck |
50% |
| Jewel of Purification |
100% |
| Jewel of Wing |
50% |
| Jewel of Brilliance |
50% |
The percentages shown represent the possible maximum success rate for each Chaos Mix. The final chance may vary and should always be verified directly in the Chaos Machine.
Item upgrade
| Upgrade | Normal |  |
| +10 |
85% |
90% |
| +11 |
80% |
85% |
| +12 |
75% |
80% |
| +13 |
70% |
75% |
| +14 |
65% |
70% |
| +15 |
60% |
65% |
Wing Creation
- 1st Level Wing: 100%
- 2nd Level Wing: 90% (95% Premium)
- 3rd Level Wing: 40% (45% Premium)
- 4rd Level Wing: 40% (45% Premium)
- 5rd Level Wing: 40% (45% Premium)
Horn of Fenrir Mix
- Horn Fragment: 70%
- Broken Horn: 50%
- Horn of Fenrir: 30%
- Horn of Ghost Fenrir: 30%
- Ghost Horse: 60%
Premium Account benefits
- +10% Experience
- +10% Zen Drop
- +4 Warehouses
- Jewellery usage anywhere in safe zone
- Item pickup with Offline Mu Helper
- +5% Chaos Machine success rate
XShop / Offline Helper
Webshop: Not available – use xShop in game (press "X")
Offline Helper: Available via button in game. Pickup only for premium (under testing).
