Azief path and the path of that Emperor is different and they should not have interfered with each other nor is there a reason for them to meet or form a relationship with each other
But he moves toward that city because it seems the Emperor path is blocking his path. Since that is the case, one person had to make way.
And Azief is not going to be the person that gives way. Azief path is very straightforward.
Thus, even though the Three Devils had advised him not to go, even when his disciple pleads with him to think of the common people, the wheel spoke of his chair moves toward the Imperial city
So, he scrapped his other plans to make his intention clear to the Emperor.
And then after a few days of hard journey, after killing everyone that had tried to stop him from reaching the imperial city, from the people of the orthodox sect and the heterodox sect, that famous wheelchair and the famous person sitting on top of it finally reached the gates of the Imperial city