> 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/skill-up.md).

# Skill Up

* You can enhance the skills of heroes by consuming Red Orb.
* Red Orb can be obtained as rewards of daily dungeon clearing andstaking.

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