Surround the clan's private soldiers

Yuwen Hai came to the Yuwen family's private army camp.
Looking at the barracks in front of him, Yuwen Hai was very emotional. The money that the Yuwen family spent on this barracks every year was incalculable.
However, this was Yuwen Hai's first time here.
Each clan had ironclad rules that prohibited their children from entering the barracks without permission, for fear that they would collude with the people inside. Only the head of the clan could mobilize the private soldiers of the...