Map of the Kingdom's Warfare.

Summary

Zhang Xuan, stationed in Zhuojun, receives a letter from Tulu urging him to Anlejun. Upon arriving at Hugu Pass, he learns of an impending attack from the Turkic army, which is still two hundred miles away. Zhang Xuan emphasizes a defensive strategy to Su Dingfang, who initially suggests a counterattack against the fifty thousand Turkic troops. Zhang Xuan advises caution and the need for intelligence on enemy movements. Meanwhile, the Turkic army, led by Wuman, prepares to advance but is wary of the Sui army's defenses. As Zhang Xuan plans to leave Hugu Pass to address issues at Loufan Pass, he ensures Su Dingfang is prepared for the Turkic scouts that are probing their defenses. He stresses the importance of detailed preparations and the need for vigilance against potential enemy tactics. Zhang Xuan departs at dawn, heading towards Bingzhou.

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