Puppet
Di Xin was vigorously promoting the Order to Expand Favors.
Due to the Mid-Autumn Festival banquet invitations, he had detained the somewhat capable vassals in Zhao Ge. The remaining minor vassals were insignificant and couldn't stir up any waves.
Once the propaganda of the Order to Expand Favors was almost complete, and the division of power among sons and offspring was settled, he would release them. After returning to their respective territories, some might even consider rebelling, and their sons would surely no longer be as obedient as before.
As legitimate heirs, who were supposed to inherit all the privileges, saw their rights divided by others due to the Order to Expand Favors, they would undoubtedly support rebellion. Other offspring would harbor their own intentions.
Despite being born from the same father, the legitimate heir was only born a bit earlier. Why should everything belong to him?