Fifteen miles outside the city of Biyang County, the depression is the only place to go south from the Imperial City through the Tianpeng City, which is less than two days away from the Veterinary City sheltered by the Giant Beast Mountains.

It was getting late. Lieutenant Chi Wei led nearly 30,000 troops and prepared to camp and recuperate in the hollows. Left Deputy General Li He looked up at the pillars of smoke rising from the mountains ahead, but frowned.

"Look, General!" Li He, the left deputy general, pointed to the smoke column in the distance and warned.

Lieutenant Chi Wei looked in the direction indicated by Li He,...