Once they passed through the massive stone gate, the surrounding light dimmed. Du Fei took the lead and the two rapidly dashed along the path behind the stone door. As they moved forward, Du Fei quickly noticed that the path seemed to have a slight incline, as if leading straight to the tower's peak.

Furthermore, the paths within the tower were extremely complicated. Occasionally, there were empty rooms with multiple paths leading out. Such a place resembled a maze. ...