Map of the Kingdom's Warfare.

Summary

Zhang Xuan's successful capture of Wucheng County was a result of precise timing and strategic manipulation of enemy weaknesses. His victory hinged on the delay caused by Luo Shixin's harassment of Yang Gongqing's reinforcements, which arrived too late. As Yang Gongqing approached Wucheng County with fifteen thousand troops, he found the city deserted, leading to a surprise attack from the Sui soldiers that decimated his forces. Meanwhile, Zhang Xuan, confident in his position, received reinforcements from Luo Shixin, who had delayed the enemy effectively. Despite pressure from his generals to attack the weakened bandit army, Zhang Xuan chose to hold his ground, prioritizing the defense of Wucheng County and its supplies over immediate victory. As night fell, Yang Gongqing's troops faced dwindling food supplies and morale, setting the stage for a potential retreat.

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