> For the complete documentation index, see [llms.txt](https://fishinglands.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://fishinglands.gitbook.io/whitepaper/raise-fish-system/fish-upgrade.md).

# Fish upgrade

<figure><img src="https://3478964819-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FAb5gZrrvfLxJVvZDm3lq%2Fuploads%2FomjebqKhLSKmqSaoXZM0%2FUpgrade.PNG?alt=media&amp;token=a74146c9-625c-4ed9-a554-5280e63b666a" alt=""><figcaption></figcaption></figure>

Every upgrade costs 50 FSLS / 50 FSLF / 0.5 FSLC tokens.

* One fish can be upgraded up to level 120.