There are 5 tiers of Deltadisk NFT: Common, Fine, Rare, Epic, and Legendary.
The functions of Deltadisk NFT
1. Increase the probability of winning the grand prize in the Gachapon. Levels 1 through 5 NFTs respectively receive 1, 2, 3, 5, and 8 times multiplier bonuses.
2. Earn Deltapoint multipliers through holding DeltaDisk NFTs. An account can only bind one NFT, and if multiple DeltaDisk NFTs are present, the highest level NFT is used for the multiplier. The specific multipliers are 0.02, 0.04, 0.06, 0.15, and 0.18.
