Map of the Kingdom's Warfare.

Summary

The chapter describes the strategic significance of the Taihang Eight Passes, particularly Fukua Pass and Huguan, during the conflict between the Tang and Sui armies. After the Tang army's defeat in Hebei, the Sui army captured these critical passes, prompting the Tang to plan a covert operation to reclaim them. Li Xiao Gong leads a large force against Huguan but faces fierce resistance from the defenders, now commanded by Wang Xuan Jing after the previous leader's death. Despite suffering heavy casualties, the Tang army remains determined to capture the pass, while the Sui defenders prepare for another assault, hoping to hold out until reinforcements arrive. The chapter ends with the Tang army launching a renewed attack on Huguan.

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