The target point of the fourth level was a towering mountain range. From afar, one could not see the peak of the mountain. They could only vaguely see a few huge peaks that shot into the sky through the lingering clouds. The mountain range was as endless and vast as a river.
Although Immortal Venerable Nanji and the others had seen a lot and had long seen countless magnificent sceneries like this, they could not help but frown when facing such a mountain range. If this target point had a secret technique, it would probably not be easy to find a secret technique in such a vast mountain range. Of course, the most important thing was that they could feel their spiritual sense being suppressed and restricted.
"Shen Ping, can your divine sense clearly investigate?" Immortal Venerable Qi asked.