C313 The Channel Has Been Successfully Cultivated

Tu Shan divided the slaves into three grades, which meant that he had lost control of the upper grade slaves. This time, Wu Ya brought some of the better slaves to New City. Wu Ya wanted to train them personally. After Wu Ya arrived at the New City, he found that compared to before, the city wall had expanded by another 1,500 meters, and its speed was not any slower than when he first arrived