This world is ultimately one where personal combat reigns supreme; emperors can delegate their power without worry because as long as they control martial force, they will always control the world. Therefore, it is not easy to develop into a chaotic era. Only Ji Yongzhao's perverse acts, combined with the endless infighting among The Eight Princes, have created the current situation.
Gathering numerous officials of the Imperial Court and various forces was merely because he had swept through the Capital City and the Imperial City. If he were to abandon everything and leave, it would inevitably lead to chaos, and when Jingji Road descends into turmoil and the people suffer, it would be his responsibility. He always finishes what he starts; since he has subdued the court, he might as well wrap things up.
This is not difficult for him, merely a lift of a finger.
