C1361

"What... "This..."

The guards were all dumbfounded, their tongues tied in a knot. While they were afraid, they also felt that it was inconceivable.

He had been patrolling the surroundings last night, and the entire room was surrounded. How did that fellow get in?

Furthermore, he didn't hear any sound at all. Logically speaking, the miserable state inside should have caused a lot of noise