The knocking wasn’t the polite tap of a neighbor. It was a heavy, rhythmic thud, vibrating through the thick glass and traveling straight up my arm.
I stumbled backward, dropping my putty knife with a clatter. The air in the basement, previously thick with dust from the drywall, plummeted ten degrees in an instant. My breath hitched in my chest.
I scrambled for the heavy-duty flashlight I’d been using to check the wiring. My hand shook violently as I clicked it on and aimed the beam through the reinforced pane. The light didn’t penetrate far; it seemed to be swallowed by the sheer density of the darkness in the tunnel. But as my eyes adjusted, the beam caught movement.
It looked like a hand, but the proportions were horribly wrong. The fingers were too long, possessing too many joints, ending in dull, heavy tips that pressed flat against the glass. As I watched, paralyzed, a second hand joined it. Then, a silhouette shifted out of the gloom.
It was towering and completely featureless, save for a gaping, perfectly circular hole where a face should be. From that void, a faint, erratic blue light pulsed, accompanied by the distinct, sharp scent of ozone leaking through the microscopic seams of the window frame.
Thud. Thud. Thud.
The entity wasn’t frantic; it was methodical. It was testing the structural integrity of the barrier.
Panic finally overrode my paralysis. I lunged for the stripped wallpaper lying in a crumpled heap on my dropcloth. For the first time, I noticed how unnaturally heavy it was. The back was lined with a dense metallic mesh—a complex grid of thin copper wire woven into the fibers.
By tearing it down, I hadn’t just ruined a wall covering. I had broken a circuit. The old man wasn’t just a quiet tenant who liked the dark. He was a warden. The few hundred dollars a month he handed me was just a front to stay stationed at his post. That persistent ozone smell wasn’t bad hygiene; it was the byproduct of whatever localized energy field he had been maintaining to keep that thing asleep, or at least hidden.
I slapped the heavy paper frantically back against the glass, pressing my entire body weight against it, desperate to seal the window back up.
From the other side of the wall, the rhythmic knocking stopped.
A terrifying silence stretched for three agonizing seconds. Then, a high-pitched, electrical whine began to build, vibrating deep in my teeth. The smell of ozone grew so thick it burned my lungs, tasting like a struck match.
CRACK.
A single, jagged fault line spiderwebbed across the “bulletproof” glass, the sound sharp as a gunshot.
I dropped the paper. I didn’t bother grabbing my tools. I scrambled backward and bolted up the wooden stairs, taking them three at a time. I reached the top, slammed the door, and threw the deadbolt, my heart hammering violently against my ribs.
I pulled out my phone, but a cold realization washed over me: I didn’t have his number. He had always paid in cash. He had handed me the keys and simply walked away, relieved of his lifetime of duty, leaving me with the lease.
Another sharp crack echoed from the basement, followed by the unmistakable sound of heavy glass shattering onto the concrete floor. A cold blue light began to seep out from under the basement door.
I backed away as something heavy began to slowly drag itself up the wooden steps. I wanted a home theater, but I was about to realize that some doors are meant to stay closed—and I had just opened the curtain.
