Xiao Yan withdrew his gaze from Bai Shan, who was on the opposite side of the arena. His gaze then swept across the surroundings of the stadium once more. In the middle of the viewing gallery, there were some good seats with the best views. Seated on these seats were merely four, white-haired, old men. Although the auras of these four people were no different from ordinary old men, Xiao Yan’s gaze landed on their bodies first. Other people might not have sensed anything, but with his outstanding Spiritual Perception was able to faintly sense a vibration in space that occasionally surfaced from the surroundings of these four old men. This kind of spatial fluctuation was only created when the strength of the Dou Qi in one’s body had reached a certain limit, which enabled it resonate within the space of the outside world.