The Qin King Sweeps the Eight Directions: The Peerless General

To kill one is a crime; to slaughter ten thousand is to be a hero. Slaughter nine million, and you become the greatest hero of all. After transmigrating to the Great Qin dynasty, he helps the King of Qin expand his borders and conquer the world, earning peerless merit, rising to the rank of Chief Minister, and being granted a kingdom of his own.