Map of the Kingdom's Warfare.

Summary

Li Yuan, as the Marquis, initially promised the Minister of Works position to the Du Gu family but ultimately gave it to Wu Shi Yi, causing resentment from the Du Gu family. Wu Shi Yi's reassignment allowed Dugu Huai'en to finally receive the position, yet animosity towards Wu Shi Yi remained. Zhai Rang, confused about the feud, met with Dugu Huai'en, who conveyed the Crown Prince's gratitude for Zhai Rang's past help. Dugu Huai'en presented a letter from Li Yuan, thanking Zhai Rang for protecting the Crown Prince and inviting him to Chang'an for a prestigious position. Zhai Rang, initially hesitant, agreed to consider the offer. Meanwhile, Wang Bao arrived with a letter from Wang Shi Chong, promising Zhai Rang a title and lands if he surrendered, but Fang Xuan Zao warned of the unreliability of Wang Shi Chong's promises. Zhai Rang realized the letter could be used to leverage his position with Li Yuan. Wu Shi Yi returned, revealing he was sent by the King of Qin to discuss cooperation, indicating a deeper political involvement.

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