I Just Ascended the Throne, and You Told Me This Is Journey to the West?

The first year of Zhenguan. Li Chengqian, who traveled through time, successfully seized the throne and became the new master of the Tang Dynasty. Just when Li Chengqian thought he was standing on the top of the world, that night, a dragon man who called himself the Dragon King of Jinghe appeared in Li Changan's dream. The next day, when Li Chengqian's soul was imprisoned in the underworld, he looked at the ten palaces of Yama in front of him. Under the holy light, Li Chengqian conquered the entire underworld with three thousand great scholars. Since then, the human dynasty has escaped the control of immortals and Buddhas and has begun to develop in a direction that frightens them. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.