However, he chose to rely on external forces, a decision that made his foundation unstable.
Historically, no puppet emperor relying on external forces retained autonomous power; ultimately, they became puppets of others and failed to achieve a true great undertaking.
Moreover, now the only surviving son of Prince Yu, the current imperial grandson, is in Yingtian Prefecture. This fact is like a sword hanging high above Prince Yu's head, becoming an irremediable hidden danger for him.
Furthermore, since the imperial grandson was born, although Prince Yu has been diligently working in the Prince Mansion, the concubines have remained without child, undeniably filling his future with uncertainty.
Nobles from the North and Border Town generals undoubtedly see this point clearly. They choose to support Prince Yu because they had no other choice.
