> 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/hero/strengthen-hero/evolution.md).

# Evolution

* Generals can evolve by consuming elements of the same class.
* As generals evolve, their ranks rise and their capabilities increase.
* High-class elements can be purchased with Gems in stores.

<figure><img src="https://3329704245-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FK3wruDXDQw4BIRYOVFdW%2Fuploads%2Fr4iZ37wuP0FaSza1qMd5%2Fimage.png?alt=media&amp;token=2b45c032-f8c5-437b-8763-9a980cee70f4" alt=""><figcaption></figcaption></figure>