The Fifth Quest in MU Online, also known as the 5th Class Quest or Fifth Evolution Quest, is the next great challenge for players who have reached level 1200. Through this mission, guided by Eunice, characters will unlock their Fifth Class, gain new skills, increased stats, and access to the Advanced Skill Enhancement Tree. Follow this complete guide to overcome each stage and become an elite warrior in the continent of MU.
Eunice
![]() Eunice |
Eunice is the older sister of Sent, both part of the 12 Priestesses of Light and guardians of the god Lugard. While Sent masters the sword, Eunice wields a mighty war scythe, symbolizing her devastating power. Her duty in the continent of MU is to grant new strength to heroes proven worthy of achieving the Fifth Class. She’s also known to collaborate with an engineer friend, providing unique insights into MU’s defense. |
Location of Eunice
You can find Eunice in Devias at coordinates (193, 12). She is the one who will transport you to the Qualification Space, the starting area for the 5th Class Quest.
Before Starting the Fifth Quest
To begin the Fifth Quest (5th Class Quest) in MU Online, you must meet the following requirements:
- Minimum Level: 1200
- Previous Requirement: Completed the Fourth Quest and unlocked the Fourth Class
Stage 1: New Power – “Nuke”
The first test of the Fifth Quest takes place in the Qualification Space, where you’ll face Eunice and several Crimson monsters. This stage measures your explosive attack capabilities.
Eunice
Crimson Lycan
Crimson Minos
Crimson Harpy
- Defeat Eunice in less than 1 minute.
- After completing this stage, you’ll receive the Extra Nuke Damage buff.
Reward: Access to Part 2.
Stage 2: New Power – “Bolt”
In this stage of the 5th Class Quest, Eunice challenges you again alongside the Crimson monsters. The difficulty increases, requiring precision and speed.
- Defeat Eunice and all Crimson monsters within the Testing Space.
- Complete the fight in under 1 minute.
- Receive the Extra Bolt Damage buff.
Reward: Access to Part 3.
Stage 3: New Power – “Wide Area”
The final stage of the Fifth Quest is the toughest challenge. You must defeat Eunice and the Crimson monsters while enduring their combined attacks to unlock your full potential.
- Defeat Eunice within 1 minute.
- Gain the Extra Wide Area Damage buff.
Final Rewards:
- +200 Stat Points
- Access to the Advanced Skill Enhancement Tree
- Extra Skill Cards: Nuke, Bolt, and Wide Area
- Unlock the Fifth Class
- Unlock the Exclusive Giant Mount Quest
Exclusive Quest: Giant Mount
After completing the Fifth Quest, you’ll unlock a special additional mission with Eunice — the Giant Mount Quest.
- Requirement: Level 1200+ and Fifth Class unlocked
- Materials: 300 Jewels of Creation
- Defeat Eunice riding a Giant in under 1 minute.
Reward: Random Giant Mount (1 of 3 possible).

Blue Giant Mount

Grey Giant Mount

Red Giant Mount
Frequently Asked Questions – 5th Class Quest
Can I complete the Fifth Quest in a party?
Yes, it can be completed in a party. If one member enters the testing area, all members will join together.
What happens if I fail to complete it on time?
You won’t lose progress — you can retry from the last unlocked stage.
What are the benefits of completing the Fifth Quest?
You’ll gain +200 stat points, unlock the Fifth Class, new abilities, permanent buffs, and the chance to obtain a Giant Mount.
The 5th Class Quest in MU Online is one of the game’s most epic missions. With Eunice’s guidance, you’ll unlock your Fifth Class, maximize your power, and gain access to exclusive high-level content. Prepare wisely, fight with strategy, and become a true champion of the MU continent.
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