Map of the Kingdom's Warfare.

Summary

Li Jian Cheng's army turned back from Tu Men Pass upon learning of a grain depot fire, leading to the failure of their eastern campaign. Despite not facing a food crisis, the Tang army faced defeat with the loss of Li Shu Liang. Zhang Xuan's forces advanced towards Bingzhou, aiming to capture Wei Ze Pass, a critical stronghold. Li Jian Cheng dispatched troops to defend the passes, but the defending general, Li Shi Cai, felt outnumbered. As Zhang Xuan strategized, Shen Guang's elite scouts prepared to exploit the Tang army's weaknesses. During the Su army's assault, Shen Guang's troops infiltrated Wei Ze Pass, creating chaos that prompted a full-scale attack by Luo Shi Xin. The Su army overwhelmed the Tang defenders, resulting in the death of Li Shi Cai and the surrender of the Tang soldiers. With Wei Ze Pass and Xi Gu Pass captured, the Su army secured a strategic victory, opening Bingzhou to their forces.

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