> For the complete documentation index, see [llms.txt](https://guides.levelmu.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.levelmu.net/chaos-machine/upgrade-mastery-item.md).

# Upgrade Mastery Item

To evolve your xAngel items, simply go to the chaos machine located in Noria to make your crafts.

{% hint style="info" %}
**- Open the NPC and go to Mastery Crafting > Mastery Equipment Craft >  Mastery Crafting Upgrade.**
{% endhint %}

<figure><img src="/files/Iu6MlkrogCACgqjzcSaj" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
The chance of combination is 100%\
\- Options Excellent are permanent.\
\- Options harmony are lost.\
\- Mysterious bônus are permanent.
{% endhint %}