He knows what comes next. He knows. He lived it, and not all that long ago.

His knuckles are white, until Cooper forces himself to loosen his hands.

Sound effects. Growls. Footsteps. He hears himself fall, hears himself run for the door, hears himself go through the door. Hears the door slam, and his footsteps still. Hears a long sigh. Hears himself start to speak.

"Diane, I seem to have found a staircase."