C1368 Blow You to Death

BOOM! Suddenly, the ground shook. To be more accurate, the wall in front of him shook a little. Wang Yu's men all shook a little.

A crack appeared in the wall, and a dim light shone through from the other side.

This light was very much like the difference between the air pressure inside and outside, formed by the light on it, just as the door of a flying saucer opens