Unaware of the true situation, the city of Zhangye nevertheless dispatched its forces, sending twenty thousand garrison troops straight out of the city toward Wuwei.
Only Jiuquan hesitated.
Jiuquan was different from Zhangye and Wuwei; on its northern side, a narrow path led directly to the Xietu Chanyu’s tribe. Furthermore, due to Luo Bing’s counterattack, the Xiutu Chanyu had retreated, and the thirty thousand garrison troops left behind were mostly drawn from the Xietu Chanyu’s tribe.
Chapter 539