# What ‘SIDUS: NFT Heroes’ Is [SIDUS: NFT Heroes](http://nftheroes.app/) is a collection of 6,000 generative characters created by NFT STARS and more than 200 artists from the international collective of modern artists - NFT256. ### **The collection features:** * 4,000 Original NFT Heroes * 1,000 Rare Heroes * 500 Legendary Heroes * 500 Partnership NFT Heroes. Only the Original 4,000 are available for purchase, the rest are created using upgrade cards and the Galaxy Modificator. Each NFT Hero inherits 13 traits/objects: planet, glasses, mask, watch, skin, backpack, etc. The unique combination of these traits determines the rarity of the Hero. The initial price for 1 NFT Hero is 0.055 ETH. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.nftstars.app/nft-stars/sidus-nft-heroes-collection-1/what-sidus-nft-heroes-is.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.