Much to Bai Yunfei’s amazement, the doors closed behind him when he entered the room. The interior of the building was just a long hallway. On the stairway up even, there was just an empty space where no entrance seemed possible from where he was, as if entry upwards was blocked off.

Still remarking at the sight, Bai Yunfei followed down the corridor before climbing a staircase to get the second floor. Upon stepping foot there, Bai Yunfei realized there was no second floor, merely just a staircase that continued onwards. In fact, from the moment he entered the building, there was only one path he could take, and that was upwards. The building he stepped in was merely a mezzanine to the actual one….

In other words, there were no...