Chapter 46: They launched a fierce attack on the old pass and appointed Zhang Xian as their general.

They carelessly lost the most important pass. The defense of the entire Niangziguan area was not even completed before they lost this pass that could be attacked or defended.

This is no joke.

Once the Japanese troops establish a foothold in Jiuguan, they could threaten the flank of Niangziguan at any time.