Liu Zheng approached the central elevator and scrutinized the mask on the elevator door carefully.
The mask showed no reaction to his unabashed gaze, appearing just like a real inanimate object.
"The 7th floor, right?"
He then pressed the button to go up.
Under Liu Zheng's "just as I expected" gaze, the angry man's mask opened its mouth.
It opened wider and wider until it swallowed the wall around the elevator door as well, revealing a pitch-black hole.
If one didn't know it was an elevator, they might mistake it for some kind of secret passage.
Liu Zheng glanced over, only to see that Thirteen Tiles had already taken the elevator and left.
He surely knew that he had left before Liu Zheng, yet he directly told Liu Zheng to wait for him at the elevator.
Either Thirteen Tiles could control the speed of the elevator, or the two elevators operated at intrinsic different speeds.
Putting aside his speculations, he walked into the mouth of the masked man.
