C982 Flowers of the demon sword in bloom

When I arrived at the door of Sect Master Pan's room, I didn't go in immediately. Since there was no one on my left or right, I carefully observed everything.

It was at this moment that I saw that there was actually a detail on this so-called doorknob. There was a hole on the doorknob, and when I leaned over to listen, I heard a hissing sound.

This made me wary