Upgrade mechanics
Game NFTs of structures and equipment can be upgraded. Either rarity or level of the card can be upgraded.
The game NFT in the DeepMine universe are divided according to:
- Type of use: structure, equipment, badge.
- Development level: 0-9 level inclusive
- Some types of NFT have rarity that is highlighted by their color:
- Gray (common)
- Green (uncommon)
- Blue (rare)
- Purple (epic)
- Gold (legendary)
A Citizen sends three cards identical by type, rarity, and level to the Government. In return, the citizen receives one NFT with a higher rarity.
The player must send a certain amount of DME, a card to be upgraded, the upgrade card and also fulfill additional conditions to upgrade the card by level. In return, the citizen receives a card of the same type and rarity, but a higher level.
