# KOYÉ NFT Breeding System

Every two NFTs can produce one new NFT. Depending on the star levels of the parent NFTs, there's a varied probability of producing a higher-star, same-star, or lower-star new NFT. The newly-bred NFT starts at level 0 and can follow the above-mentioned steps for recharging, gold-hunting, and breeding. \
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The higher the star level, the rarer the NFT, and the daily $KGSO output will also be greater. The ultimate limit for NFTs produced via breeding is set at 100,000. All KOYÉ NFTs can be transferred and traded on secondary markets.\
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Additionally, players can also consume $KGSO to upgrade the NFT, with one upgrade allowed per day. After reaching level 30, the breeding function will be unlocked.The current maximum level for NFTs is level 50.

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<figure><img src="https://3467315999-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FweCkhPSUHNfjYBVxGtK0%2Fuploads%2FgiwHxn1VygYISfyaiwxe%2F%E5%9B%9B%E6%98%9F%E7%B9%81%E6%AE%96%E6%A6%82%E7%8E%87%E6%96%B0.png?alt=media&#x26;token=abe5eb04-b8d6-4490-a9f8-501b62e745de" alt=""><figcaption><p><strong>Breeding Probability Table</strong></p></figcaption></figure>