Calvaria Mystery Boxes are the first huge drop from the Calvaria: Duels of Eternity project. Each one will contain NFTs, $RIA token and some lucky winners can receive cash prizes! The NFTs will be used in PvP Battleground game utilizing their unique traits, and in Duels of Eternity game to unlock powerful abilities. NFTs can be rented out or traded. $RIA, our governance token has a variety of uses from upgrading cards to participating in DAO operations. The Mystery Boxes range from bronze to diamond and each contain up to 5 NFTs!