> For the complete documentation index, see [llms.txt](https://3kmplatform.gitbook.io/3km-evolution-english/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://3kmplatform.gitbook.io/3km-evolution-english/first-gameplay/gears/gear-synthesis.md).

# Gear Synthesis

* Items of higher star classes can be obtained by synthesizing arms items of the same classes.

<figure><img src="/files/bKz0WvadqHiSAAmK9uNI" alt=""><figcaption></figcaption></figure>