How to create the Fenrir in MU Online: the 4 Chaos Machine stages
Fenrir recipe on OpenMU (MU Online Season 6): Splinter of Armor, Bless of Guardian, Claw of Beast, Broken Horn, Jewel of Life and how to make the black or blue Fenrir.
Updated on Oct 6, 2026 Β· OpenMU server data
The Fenrir is MU's wolf mount, and every class can use it. It is created in the Chaos Machine in 4 stages. The data below was verified on the OpenMU server.
Before you start
- Chaos Machine: it is with the Chaos Goblin, in Noria.
- The success rate of each stage shows in the window before mixing.
- The Jewel of Chaos can be bought with in-game Zen in the site shop (up to 5 per day).
- If a stage fails, the items you placed are lost, so double-check everything first.
Stage summary
| Stage | Items | Rate | Cost | Result |
|---|---|---|---|---|
| 1 | 20 Splinter of Armor + 20 Bless of Guardian + 1 Jewel of Chaos | 70% | free | Fragment of Horn |
| 2 | 10 Claw of Beast + 5 Fragment of Horn + 1 Jewel of Chaos | 50% | free | Broken Horn |
| 3 | 3 Jewel of Life + 1 Broken Horn + 1 Jewel of Chaos | 30% | 10,000,000 zen | Horn of Fenrir |
| 4 | Horn of Fenrir + 5 Jewel of Life + 1 Jewel of Chaos + 1 weapon or armor | up to 79% | 10,000,000 zen | Black or blue Fenrir |
Stages 1 to 3 create the basic Fenrir, the Horn of Fenrir. Stage 4 is optional and turns it into a better version.
Stage 4: black or blue Fenrir
Place in the Chaos Machine:
- the Horn of Fenrir;
- 1 Jewel of Chaos;
- 5 Jewels of Life;
- 1 item of +4 or higher with an additional option (the option that comes from the Jewel of Life).
The item type decides the result:
- Weapon (with option): becomes a black Fenrir.
- Armor (with option): becomes a blue Fenrir.
You must use a weapon or armor, never both. The success rate comes from the item's value: the more expensive it is, the higher the chance, up to 79%. The cost is 10,000,000 zen.
Where to get the parts
- Jewel of Life and Jewel of Chaos drop from monsters with a 0.1% chance. Jewels of Life and Creation are also a prize from Chaos Castle.
- Splinter of Armor, Bless of Guardian and Claw of Beast: for now, the server has no drop or shop configured for these parts yet. Follow the news and Discord to learn when they are released.
Tips
- Start by gathering jewels: stages 3 and 4 use 8 Jewels of Life in total.
- Combine it with wings: see the wings guide.
- Use the Fenrir to gain mobility on the leveling route of the where to level guide.