# 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.**
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<figure><img src="https://522801306-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FWkHrPTCMsd8do1wbyrNs%2Fuploads%2F0xEILgdUpQXQ2ZYYhrcN%2Fglobin3.png?alt=media&#x26;token=3480e5dd-4c3f-48d3-aab1-9ce2cf637716" 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 %}