Underground City

The world is peaceful on the outside, but there are dangers underground. However, the dangers also contain special resources that are extremely rich. Fancheng was built to hide and enjoy the resources exclusively. Jiutian is one of the eight city lords of Fancheng. By chance, Jiutian's already powerful abilities were further enhanced, but he also fell into a mysterious organization and his life was threatened. The undercurrent of the underground world is surging, and it is inextricably linked to Fancheng. Jiutian was forced into the game in order to survive. During the exploration, he slowly learned that Fancheng was more important and mysterious than imagined.