After conquering the Zhao territories, Wu Chen sent Han Guang to rally support from the people living in the former Yan state.
Han Guang received a warm welcome and was nominated by the people of Yan to be their king.
The following year, the Zhao state came under attack by a Qin army led by Zhang Han.
Han Guang sent his general Zang Tu to lead an army to help the Zhao state.
When Zang Tu came to take control of the Yan territories from Han Guang, the latter refused to give up so Zang Tu defeated Han Guang in battle and killed him.