Is

an illusion? Danxuan fox shook his head suspiciously, but he still felt that there was something weird here. Where was the specific weirdness? He can't say that.

After a long observation, the vibration disappeared as if it had never appeared before. It was still quiet all around, but when we listened carefully, Danxuan could feel a subtle pulsation with rhythm and a familiar feeling.

There's still a mystery here! This is Danxuan's intuition, but what is this mystery, Danxuan really do not want to understand.

After waiting for a while, the shock did not appear again, and Danxuan entered the state of practice again. I don't know how long...