NFT Rarity and Level

1. The four rarity types for Advanced NFTs are: Common, Rare, Epic, and MYTH.

2. Restrictions based on different rarity types of NFTs:

   • Free NFT: Starts at level 1, cannot upgrade level or rarity.

   • Common NFT: Starts at level 1, maximum level 30; can upgrade level and rarity.

   • Rare NFT: Starts at level 1, maximum level 30; can upgrade level and rarity.

   • Epic NFT: Starts at level 1, maximum level 30; can upgrade level and rarity.

   • MYTH NFT: Starts at level 1, maximum level 30; can upgrade level but not rarity.

3. HealthBase utilizes the rarity of NFTs to identify users with different needs.