# Metal Troops



<figure><img src="https://3308098723-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F579pUyXsOEJbRsZmnwQz%2Fuploads%2Fp7NRWej2VChcz0pmXGZy%2Fmetals.png?alt=media&#x26;token=ca995817-d339-4e9d-8de9-7ba5bcbeaafc" alt=""><figcaption></figcaption></figure>

Metals are the predominant resource used by the Greys. These metals can only be extracted in high radiation zones, which is why it's necessary to mine using specialized robots. There are 4 available models to mine metals.

The metals you mine will be used for crafting troops and repairing machinery. You will need these metal and crystals to craft within the game, and to repair your assault robots.

The durability of your NFT weakens after each mining operation. If it gets to 0, you wont be able to mine until you have fully repaired it.

This reparation is done using crystals.

Mining operations consume energy.

* The reparation is made with crystals.
* The mining consumes energy.

##





