Play to earn is the theme of World of Warcraft, a tower defense meta-universe. It adds the model and story elements of "World of Wracraft" and adds a rune bonus system and guild reward system. There are different levels of heroes in the game. Runes can be upgraded to increase their ability to pass levels. There are people in this picture Gamefi+Defi+NFT are combined to contribute to building a sustainable, user-centered and entertaining ideology. There are people in this picture We build a tower defense style online game that uses the characteristics of output farmer flow pool mining and NFTs mining.