Core of the Sage.

Summary

Du Yu confronts Li Bi, revealing his arrogance and incompetence through the poem "Yange Xing," which destroys Li Bi's reputation and morale among the Tang army. Despite Li Bi's previous glory, he faces disgrace as his troops suffer under Mongolian siege. Du Yu's poem highlights Li Bi's failures, leading to widespread anger among the common people. As the battle rages, the Tang soldiers, spurred by grief for their loved ones, fight fiercely despite Li Bi's mismanagement. Ultimately, the poem serves as a rallying cry, igniting the soldiers' last strength against overwhelming odds, while Li Bi's leadership crumbles under the weight of his disgrace.

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