A pale, elongated hand was visible, gripping the back of the chair. Elias froze. He hadn't been alone.

He didn't click it. He didn't have to. From the hallway behind him, he heard the distinct, digital "click" of a mouse—and the sound of his own voice, coming from the darkness, whispering. "Download complete."

The download was instantaneous. No progress bar, just a 400MB file appearing on his desktop. He unzipped the .rar file. There was no installer, just a single executable icon that looked like a bloodshot eye.

The forum post was six years old, buried on page forty of a thread about "Lost Media." No username, just a default gray avatar. The title was a single string of text:

He ran the footage again, cranking the "Deep Trace" setting to maximum. The software began to hum, his computer fans screaming. The video transformed. It wasn't just his apartment anymore. The walls in the video began to peel away, revealing a landscape of endless, rusted gears and black water.