He traveled through the Qin Dynasty and became Yingmu, the nine sons of the First Emperor. He stayed dormant for eighteen years and was criticized by the dandy and prodigal son. Just in the desperate situation, the god-level forging system awakens, unlocking the god-level forging skills, natural power and forging illustrations. He forged stirrups, made saddles, cast horses, made heavy armor, and revolutionized the Qin cavalry's combat effectiveness. Yu Chaotang made a stunning breakthrough, was granted the title of King of An, and went to the northern frontier to lead an expedition. He used clever tactics to destroy tens of thousands of Xiongnu cavalry, used military industry to strengthen the army to sweep away the border troubles, and steadily stepped on the road to become the crown prince, creating the supreme hegemony of the Qin Dynasty!