> 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.

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