The Stained Glass Codex

The town of Millbrook had been dying for so long that no one remembered it was ever alive. The old downtown, now just a hollow grid of cracked sidewalks and skeletal storefronts, was all that remained of a once-prosperous mill community. The mill itself had burned down in the ’70s, taking most of the jobs and half the town’s will to continue. What was left was a handful of stubborn remnants: the First Lutheran Church, which had been locked for as long as anyone could remember; the old train depot, now a graffiti-covered shell; the library, its windows boarded over; and the furniture store, which still had a few dusty sofas in the window, as if waiting for customers who would never come.

For us, that was the perfect playground. We called ourselves ‘The Late Shift,’ a small crew of night owls and thrill-seekers who found more life in the dead parts of town than anywhere else. We’d climb the water tower, spray our tags under the broken streetlights, and dare each other to walk the old railroad tracks that ran behind the depot. But the church was the holy grail. It had always been locked, every door and every window sealed as if the congregation had simply vanished, leaving it to time and dust. We’d tried everything: the side door, the basement hatch, even the roof hatch, but nothing budged.

One night, as autumn turned the air cold and brittle, I was with my best friend, Caleb, and his younger sister, Maya. We were sitting on the steps of the furniture store, sharing a pack of smokes, when Maya pointed at the church’s steeple. ‘There’s a light in the window,’ she said, her voice flat, as if stating a fact. We all looked. Sure enough, a tiny, flickering light danced in the stained glass window behind the altar. It looked almost like a candle, but it was the wrong color—an eerie green, like a firefly trapped in amber.

We had to investigate. We circled the church, trying to find any way in, and that’s when Caleb noticed something we’d never seen before: a small, almost invisible seam in the stone foundation near the back corner. It was a door, hidden by decades of grime and overgrown ivy. It was unlocked. The door swung inward with a groan that seemed to shake the ground, releasing a gust of cold, stale air that smelled of old paper and candle wax. We exchanged nervous glances, but the lure of the forbidden was too strong.

Inside, the church was a time capsule. Pews still sat in neat rows, and a thick layer of dust covered everything like a quiet snowfall. The stained glass windows were dark from the outside, but from inside, they glowed with a faint, otherworldly luminescence, casting twisted patterns on the floor. The altar was covered in a white cloth that had yellowed with age, and on it sat an ancient, leather-bound book. The light we’d seen was coming from the book itself, its pages glowing a sickly green. As we approached, the glow intensified, and we could see that the book was open to a page with a strange, geometric diagram, like a map of some intricate machine.

Caleb, always the brave one, reached out and touched the page. His fingers barely brushed the parchment when the air around us seemed to ripple. The candle on the altar—which we hadn’t noticed before—erupted with a green flame, and the ground began to tremble. Before we could react, the entire church transformed. The floor dropped out from under us, and we fell into a darkness that felt alive.

We landed on cold, damp stone. Above us, the church was gone, replaced by a vaulted ceiling of impossible height. We were in some kind of underground cathedral, lit by the same eerie green light that now pulsed from veins in the walls. Maya let out a strangled gasp. The walls were covered in carvings, not of saints and angels, but of twisted, writhing shapes that seemed to move in our peripheral vision. And in the center of the room, there was a massive, ornate machine made of brass and copper, its gears turning slowly, making a sound like grinding teeth.

We realized we weren’t alone. A figure stood beside the machine, robed in tattered vestments, its face hidden. It didn’t speak, but we heard its voice in our minds, desperate and pleading: ‘Thirty years I’ve waited. You must complete the codex. The parish is still here, but their souls are trapped in the stained glass. Only the codex can release them.’ The figure pointed to the book, which had landed at our feet, still open. The diagram on the page was now glowing brighter, and we saw that it was a blueprint for this very machine. There were levers, dials, and empty slots that matched the shapes of the book’s pages.

We were terrified, but the figure’s voice was so full of pain that Maya, sweet Maya, asked what we had to do. The figure explained that each page of the book contained a ritual to free one soul, but that the rituals were dangerous, and that some had already been attempted, with terrible consequences. The figures in the stained glass were the members of the congregation, who had been trapped when they tried to stop the original sin that had cursed the church. We looked at the carvings on the wall and realized they were the story of that sin: the pastor, in his madness, had tried to steal the power of the codex to bring his dead wife back, but he had only succeeded in binding everyone to the glass.

We had a choice: leave and let them rot, or try to complete the codex. Caleb was ready to run, but I saw the look in Maya’s eyes. She couldn’t leave them. And I couldn’t leave her. So we began the first ritual, following the book’s instructions. We had to use the machine to focus our own life energy to break the glass. It worked, but it took its toll. A panel in the stained glass shattered, and a swirl of light flew out, condensing into a fleeting, grateful face before disappearing. But as the light left, the machine seemed to hunger for more, and it pulled a piece of our own soul to fill the void. We felt it—a cold, sharp tug in our chests, as if a string had been cut.

We continued, ritual after ritual, freeing a dozen souls. With each one, the church above us flickered back into existence, a little more real. We were growing weaker, our bodies starting to fade around the edges. We were becoming like the glass figures we were trying to save. In the middle of the fourth ritual, the figure revealed itself to be the ghost of the sexton, who had been the first to be trapped. He confessed that he had been trying to complete the codex himself, but he had been too weak. He had been feeding on the curiosity of visitors for years, hoping to find enough life force. And now, we were almost spent.

We realized too late that we had been duped. The sexton had been using us. He wanted us to complete the codex so he could free himself, and he would take the last remaining souls to make himself powerful enough to escape. As we completed the final ritual, the entire stained glass window shattered, and the sexton’s ghost swelled, absorbing every soul we had freed. He turned on us with a laugh that echoed in the cavern, and we saw that the machine had transformed him into something monstrous, a twisted amalgamation of flesh and brass.

But his greed was his undoing. The stolen souls rebelled, tearing at him from within. In the chaos, we grabbed the codex and ran. We scrambled up a tunnel that had opened in the wall, and we burst out into the moonlight, back in the cemetery behind the church. The church was now dark and empty, the green light gone. But we knew we were not unchanged. We could feel the cold spots inside us, where the machine had carved out pieces of our being. The codex was still in my hands, but now it was blank.

We stumbled home, but sleep didn’t come. When morning broke, we looked in the mirror and saw that our eyes had changed—they were the color of stained glass, and in the right light, our reflections moved independently. The town of Millbrook was still dead, but now we were part of its ghostly eternity. The sexton was gone, but something else had taken his place. The codex was empty, but we knew where it was, and we knew it could be filled again. And every night, we hear the faint sound of gears grinding, and a voice pleading from beneath the ground, asking us to open the book once more. But we never will. We can’t. Because we’re not sure if we’re still the humans we used to be, or if we’ve become the new guardians of the stained glass codex, waiting for the next curious souls to stumble into our trap.