> For the complete documentation index, see [llms.txt](https://docs.metananos.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.metananos.com/game-metaverse/nanos/power-gems.md).

# Power Gems

Each NANO comes with a power gem which is randomly defined, either common or rare. The power gem can be used to invoke a superpower in the game. In each game, the power gem can be a different superpower with different effects. Each superpower will have a success probability.

### Power gem types

* Herostone
* Ethernite
* Moonstone
* Cryptonite
* Diamond
* Onyx
* Sapphire
* Ruby