> For the complete documentation index, see [llms.txt](https://whitepaper.xtrip.travel/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.xtrip.travel/ja/game-fi/powerup-item-and-socket.md).

# Powerup Item and Socket

### **Powerup Item(パワーアップアイテム)**

各NFTはパワーアップアイテムをロックが解除されたソケットに装着することが可能です。ユーザーはパワーアップアイテムを装着することで各NFTのステータスを上昇させることができます。

* Efficiency
* Luck
* Recovery
* Life time

### Sockets(ソケット)

各NFTには4つソケットがあり、ソケットは各NFTごとに異なります。ユーザーは各ソケットには対応したパワーアップのみを装着することが可能です。(例：EfficiencyソケットにはEfficiencyのパワーアップアイテムのみ装着できます。)

各ソケットは下記のレベルに達し、XTRを使うことで解除されます。:

* Level 7 
* Level 13
* Level 20 
* Level 30


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