The earth has been invaded by another world. In order to protect their homeland, human beings activate the core power of the earth to build a defense line, which is the ninety-nine-layered world. The layers of the world weaken the external biological power layer by layer to protect the homeland. The earth people hunt monsters and get the core. Improve strength. Layer world connects to foreign lands, you can occupy some weak worlds and become a part of yourself. Wang Yang has the eye of truth, can quickly absorb the core of monsters, acquire monster skills and strengthen them, starting from the first layer. The five main worlds Regular occupations, warriors, supernatural beings, mages, magicians, reformers.