C369 The Mysterious Old Man(part I)

"Bang!"

As soon as he stepped through the door, a loud sound immediately rang out from behind him. The sound of the door closing produced a long echo in the empty corridor, causing one's ears and drums to feel somewhat numb.

After spitting out a smoke ring, Faang Xuan laughed at himself and continued to walk forward.

The corridor was very humid, and the air was filled with a moldy smell