Ye Qingyu wanted to slay the Sky Emperor and root out the real problem.

He did not expect that the Immortal Empire would not find any trace of the Sky Emperor over the next fifty years, nor did they manage to find out where the sovereigns of the past who were loyal to the Sky Emperor were. It was as though the Sky Emperor and his cronies had completely vanished from the face of the earth. He even tried using his Light Emperor Detection Technique to track them down but to no avail. ...