The spirit of Li Zhan, a special soldier, defeated the good-for-nothing son and won the battle. The border city was close to Zhao City and he had three thousand old and weak soldiers to make a living. Team: Hei Bo, Tiezhu, Meng Tian, Wang Jian, Wei Liao, Li Si, the heroine Li Yue (the daughter of Li Mu, a happy enemy turned spy leader). Villains are upgraded according to the volume: Empress Mi, Zhai Gao, Gongzi Yao, Sima Shang, Li Mu, Touman, Prince Dan, and Xiang Yan. Black technologies are rolled away: cement stirrups, steel-filled trebuchets → crossbows → cavalry winter battle → steel-making military system → water attack blitzkrieg → Great Wall Project.
