Juqu Mengxun
In spring 406, Tufa Rutan launched a major attack on Northern Liang, but Juqu Mengxun was able to hold Zhangye, forcing Tufa Rutan to withdraw. In fall 406, Juqu Mengxun made a surprise attack on Jiuquan, initially defeated Li Gao, but he could not successfully siege Jiuquan and was forced to withdraw.