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After taking over Five Goat City, he controlled the local situation and persuaded a group of Xu State's officials to surrender, using them as puppets and guides thereafter.
Lu Yuan then followed his own plan, starting from Five Goat City as the core, continuously dispatching troops to attack and take over various prefectures and counties of Xu State.
While the troops marched on their campaigns, they also carried with them edicts sealed with the Xu State's imperial jade seal, issued in the name of the Emperor of Xu Country.
These were meant to be tokens to persuade the local officials and defenders to surrender upon arrival.
For those whose will to resist was not very strong, or those who were utterly loyal to the court or the emperor,
this edict undoubtedly served as the ace up their sleeve.
The former could realize that the Imperial Capital had fallen, and the emperor had surrendered.
What was the point for them, as his subjects, to continue resisting?