> For the complete documentation index, see [llms.txt](https://cryptopolium.gitbook.io/whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cryptopolium.gitbook.io/whitepaper/nft/nft-collection/auctus-nft.md).

# AUCTUS NFT

All trading posts can be upgraded to level 3. The trading tax will also rise proportionally. If the player has the AUCTUS NFT, every time he visits one of his level 3 posts, the tax will increase by 2% over its previous value until the end of the game.

**Price:** 500 MATIC

**Units: 500**

<figure><img src="/files/kQsd5sYvH3PuDHBNsDrT" alt=""><figcaption><p><strong>AUCTUS NFT</strong></p></figcaption></figure>