World of Warcraft is a tower defense metaverse with the theme of playing and earning. It joins the model and story elements of "World of Warcraft", supports PVE and PVP player battles, and adds a rune reward system and a guild reward system. Players can obtain heroes with different levels of attributes in the game. Players can also upgrade runes to improve their ability to pass levels. After completing the level, they can get the corresponding token reward. World of Warcraft combines Gamefi+Defi+NFT to contribute to the establishment of a sustainable, user-centric, and entertaining decentralized ecosystem.