Up until now, he had been in silence, a deafening silence interrupted only by the sound of his own footsteps on the rocks. There was no breeze here - the air was still and lifeless. The faint huff of his breath was the only motion that air saw, and its steady rhythm was almost reassuring.

Then he heard something slip against the dust on the floor, quickly, as though it were running, or sliding, away. Or toward him. But he only heard that once. He sighed, and continued onward, fully expecting to bump into a wall at any moment, except he didn't. He just kept walking, and lost track of how long he had been. Even though the tunnel felt straight, when he turned around, he didn't even see a point of light where the shaft branched off, just more darkness. Still, he continued forward. There had to be something here, maybe even, he dared to hope, a way out.

Then he heard that noise again, that unsettling slip against the dust, moving toward him now.

Then he heard a faint hiss.

He heard it scream, and he screamed.

Then he stopped.

And Everything was dark, and silent again.