MAXIMUM LEVEL EXPANSION & SEASON REWARDS
2026-10-08 | Season 22 Part 1-2
MU Online Season 22 Part 1-2 raises the maximum character level from 1,800 to 1,850. Reach level 1,750 to earn the Gun Crusher Muun and level 1,800 to earn the Slayer Muun, with time-limited bonuses and reward claim periods.
Character Max Level Expansion
The maximum level of a character has been changed from 1,800 to 1,850.
Previous maximum
1,800
New maximum
1,850
Season Level Rewards
You can obtain both the Level 1,750 and Level 1,800 achievement rewards before the next season. The Season Level Reward Box is delivered to the Gremory Case. After claiming it, throw the box on the ground to obtain the Muun.
Level 1,750 Achievement Reward
Gun Crusher Muun
- Basic Ability
- Skill Attack Power +15 when the Muun is equipped.
- Temporary Bonus
- 20× basic ability for 30 days after acquiring the Muun.
Level 1,800 Achievement Reward
Slayer Muun
- Basic Ability
- Elemental Defense +10 when the Muun is equipped.
- Temporary Bonus
- 20× basic ability for 30 days after acquiring the Muun.
Reward Deadlines & Expiration
- Claim from Gremory Case
- 30 daysClaim the reward box within its Gremory Case claim period.
- Use the Reward Box
- 14 daysAfter claiming the box, use it before its validity period expires.
- Muun Bonus Duration
- 30 daysThe 20× basic ability bonus lasts for 30 days after acquiring the Muun.