The soul of Zhang Xuan, an expert in materials science, passed on to the son of the county magistrate of Lanxian County, Luoxia Prefecture, Izumo Prefecture, Dazhou, and started a new life. In his previous life, he started as a top student and became an expert. He knew himself through hard work. In this life, Zhang Xuan decided, Change your way of life and strive to be a salted fish. I thought this was a feudal dynasty of equality, but I didn’t expect it to be a world of high martial arts. I thought that knights were flying all over the sky, and swords were everywhere. Charisma. In order to live comfortably, Zhang Xuan started a new life, little by little, for a long period of time.