九个世界（Nine worlds）

In a parallel earth world with players, the earth is invaded by alien races, and the earth humans who failed to resist it die in a large number of oppression and resistance. The soul of the dead becomes the daily food soul of the alien race, and the corpse is transformed into slaves. Because of their unyielding spirit, some human beings have resisted the transformation process and become artifacts falling all over the world. The four great magicians and the most powerful craftsmen of human being...