Upgrading tools/lands:

To upgrade any tools or lands you need in game resources. And your tools/lands should be fully repaired. Upgrading tools has its own risk based on the nfts rarity .There will be a burning chance of your nfts while upgrading to the next level. Greed can both destroy you or enrich you. Upgrading directly will be more dangerous than mining in the dangerous areas.

Burning chances according to rarity:

Rarity