MTL - Gou Zai Xianwu Marries a Wife and Lives Long - Chapter 93 calculate each other

Shi Jin once read a book. It was supposed to be about satisfying the desire for vengeance.

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

Beings that create and control monsters and demons, beings that build and reign over malicious labyrinths, the chosen individuals to possess an overwhelming Unique Skill… They are the Demon Lords.