I'm Immune to Interdimensional Monsters So Now I'm Their Prison Guard (And They're All Obsessed With Me?!) - Chapter 26
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- I'm Immune to Interdimensional Monsters So Now I'm Their Prison Guard (And They're All Obsessed With Me?!)
- Chapter 26 - The Welcome Party
Chapter 26 – The Welcome Party
【Martinez PoV】
I check my watch for the hundredth time.
11:47 PM. Seven days. I survived seven goddamn days. Thirteen more minutes and the nightmare is over, Kai comes back tomorrow morning, takes over this hellhole, and I go back to Sector 3 where the inmates just throw things instead of eating your sanity for breakfast.
My hand is shaking.
I clench it into a fist, press it against my thigh. The tremor doesn’t stop. It hasn’t stopped since Day 3.
Block 12 is quiet.
Too quiet. The kind of quiet that makes your ears ring, the kind that sits in your chest like a weight. For the past six days the hallway has been a freezer, frost climbing the walls, ice crystals forming on the observation glass, my breath coming out in clouds so thick I could barely see three feet ahead.
But tonight?
Tonight the cold is gone.
The temperature is almost normal, sixty-five degrees according to the wall sensor. I checked it twice because I didn’t believe it the first time. I want to think it’s a good sign, I want to think she’s calmed down, that she’s accepted Kai will be back soon and she just needs to wait a few more hours.
But my gut is screaming.
My gut has kept me alive this long, and right now it’s telling me to run. But running means abandoning my post, and abandoning my post means a formal reprimand, and a formal reprimand means I don’t get transferred out of this sector.
So I stay.
I do my job. I pull up the duty log on my tablet, start the final perimeter check. Gotta hand off the shift cleanly, gotta show Kai I didn’t screw anything up while he was gone.
Cell integrity is stable.
Power grid is nominal. Life support is green across the board. I’m halfway through the checklist when I hear it.
“Martinez.”
I freeze.
The voice isn’t coming from the intercom, it’s not coming from the cell. It’s inside my head. Soft, gentle, like a whisper pressed directly against my brain.
“Martinez, I’ve been so patient.”
My tablet slips from my hand.
It hits the floor with a crack that echoes down the empty hallway. The sound bounces off concrete, off steel, off the reinforced glass of her cell.
“No.”
The word comes out as a whisper.
“But patience has limits.”
The lights flicker.
Once. Twice. They stabilize but they’re dimmer now, the shadows in the hallway stretching longer, darker, like they’re reaching for me.
“Kai is coming home. Everything must be perfect.”
I back up against the wall.
My radio, I need to call this in, I need to—my hand won’t move. I stare at my arm hanging at my side, limp, useless. I’m screaming at it to move, to reach for the radio clipped to my belt, but it’s like the connection between my brain and my body has been severed.
“Shhhh. Don’t fight. This will be easier if you don’t fight.”
The cell door doesn’t explode.
It doesn’t buckle or melt or shatter. It just opens. No, not opens. She flows through it. Black smoke, liquid shadow, something that moves like oil on water, thick and wrong and alive. It pours through the microscopic gaps in the reinforced steel, through the seams, through the ventilation grates.
The temperature drops ten degrees in two seconds.
I try to scream. My mouth won’t open. My jaw is locked, my tongue is dead weight, my throat is sealed shut by some invisible force.
The smoke coalesces in the center of the hallway.
It rises, twists, takes shape. Forms something that might be human if you squint, if you ignore the wrongness radiating from every angle.
Sarah.
No. The Thing. She looks almost human, almost. Six feet tall, pale skin that shifts like it can’t decide what texture to be, long black hair that moves independent of gravity, each strand curling and writhing like a separate living thing. Her face is beautiful in the way a knife is beautiful—sharp, dangerous, designed to cut.
But her joints bend wrong.
Her fingers have too many knuckles. And her eyes, god, her eyes. Twin voids, endless, hungry, filled with something that might be love but looks like madness.
She’s wearing a dress.
Black, elegant, the kind of thing you’d wear to a funeral or a wedding. The fabric clings to her form but it ripples like water, like it’s not quite solid.
She smiles.
It’s the worst thing I’ve ever seen.
“He’s coming home.”
Her voice is no longer just in my head, it echoes through the hallway, layered, harmonic, like a hundred voices speaking in perfect unison.
“We need to prepare.”
Down the hallway I hear footsteps.
Jenkins, Ramirez, Hall. The other guards on night shift. They round the corner moving in perfect sync, their eyes pitch black, no iris, no white, just endless dark.
Their faces are blank.
Expressionless. They stop in formation, stand at attention, their hands falling to their sides with mechanical precision.
I want to scream at them.
Want to tell them to run, but my throat won’t work, my body is a prison and I’m trapped inside, pounding against the bars of my own skull.
“Perfect.”
Sarah breathes the word like a prayer.
She moves down the hallway, each step silent, her bare feet making no sound against the concrete. The shadows bend around her, reaching for her, caressing her like loyal pets.
She stops in front of Jenkins.
Her hand reaches out, touches his cheek. He doesn’t flinch, doesn’t blink, doesn’t breathe.
“You’ll stand here. Guard of honor. He needs to see how much we care.”
Jenkins moves.
Not like he’s walking, like he’s being puppeted. His legs jerk into position, his spine snaps straight, his arms lock at his sides. He’s smiling. It’s not his smile. It’s too wide, too perfect, the corners of his mouth pulled back just a little too far, showing too many teeth.
Sarah moves to Ramirez.
Then Hall. One by one she positions them, places them like furniture, living statues arranged in some pattern only she understands.
The smell hits me.
Ozone, copper, and something else. Something organic and rotting and sweet, like flowers left too long in a vase, like meat gone bad in the sun.
My stomach heaves.
Nothing comes up. I can’t even vomit, my body won’t let me, every muscle is locked in place.
“And you, Martinez.”
She’s in front of me now.
Her face fills my vision, her eyes are endless. I can see things moving in that darkness, shapes, memories that aren’t mine, screaming faces, infinite hunger stretching back to the beginning of time.
“You’ve done so well. Seven days. You kept watch. You didn’t abandon him.”
Her finger traces my jawline.
It’s cold, so cold it burns, like touching dry ice, like pressing your hand against liquid nitrogen.
“You deserve a special place.”
My body moves without my permission.
My legs walk forward, my spine straightens, my arms fall to my sides. I’m screaming, inside my head I’m screaming so loud I should be shredding my vocal cords, but my face is calm, peaceful.
Smiling.
I’m smiling and I can’t stop, the muscles in my face are pulling taut, forcing my lips up, forcing my eyes to crinkle at the corners like I’m genuinely happy.
She positions me by the entrance to Block 12.
Right by the security checkpoint, the first thing anyone would see when they came down the hallway. The welcome committee.
“There. Perfect.”
She steps back to admire her work.
The hallway is lined with guards, twelve of us, all standing at perfect attention. All smiling. All with eyes that have gone dark or yellow or empty.
The lights flicker again.
The emergency klaxon should be sounding, the lockdown protocol should have triggered, the facility should be flooding with response teams. But the alarm stays silent. Because Sarah is controlling the hands that would press the button, because Sarah is controlling everything.
She moves to the center of the hallway.
Her form shifts, becomes more solid, more human. She’s trying to be beautiful. For him. Her dress smooths out, her hair settles into something almost normal, her face softens, becomes the face from the photograph she showed me on Day 4.
The face she thinks Kai will love.
But her shadow.
Her shadow is all wrong. It has too many limbs, too many angles, it writhes and pulses and breathes like a living thing.
“He’ll be so happy.”
She whispers it like a prayer.
“I’ve been good. I didn’t hurt anyone. I didn’t break anything. I just prepared. That’s what you do when someone you love comes home.”
She looks at me.
Tilts her head at an angle that makes my neck ache just watching it. Too far, too sharp, inhuman.
“You understand, don’t you, Martinez? You’d do the same. If you loved someone the way I love him.”
I can’t answer.
Can’t move. Can only stand here, trapped in my own body, screaming into the void while my face maintains that horrible smile.
The hours crawl by.
The darkness outside the small windows begins to lighten, gray turning to pale blue. Dawn is coming, the seventh day is ending, and Kai is walking straight into hell.
Sarah doesn’t move.
She stands in the center of her guard of honor, waiting. Just waiting. Her dress ripples in a breeze that doesn’t exist, her hair moves like tentacles testing the air, her eyes fixed on the corridor entrance.
The facility is silent.
No footsteps, no radio chatter, no morning shift arriving. Just us, just the puppets and the puppeteer, standing in formation like toy soldiers.
And then I hear it.
The distant sound of the main security doors opening, the heavy pneumatic hiss, the clank of magnetic locks disengaging. Someone’s coming through the main entrance.
Footsteps.
Steady, casual, echoing through the empty corridors. They sound tired, unhurried, like someone dragging themselves to work on a Monday morning.
Sarah’s face lights up.
Literally, her skin glows with a soft bioluminescent shimmer, pale blue light emanating from beneath her flesh.
“He’s here.”
The footsteps get closer.
Down the main corridor, past Sector 2, approaching Block 12. Each footfall is like a countdown, each step bringing him closer to the trap.
I’m still screaming inside my head.
Still trapped, still smiling, still standing at rigid attention like a good little soldier.
The footsteps stop just around the corner.
There’s a pause, a moment of silence that stretches too long. Then they continue, slower now, cautious.
Kai walks into view.
He looks tired, his uniform is wrinkled, he’s carrying a coffee cup from the gas station down the road. His expression is the same exhausted resignation I’ve seen in every photo, that look of someone who’s seen too much and stopped being surprised by anything.
He stops when he sees us.
His eyes sweep the hallway, taking in the guards standing at attention, the smiles, the darkness in our eyes. Taking in Sarah in the center, glowing, radiant, monstrous.
He takes a sip of his coffee.
“Welcome home, darling.”
Sarah’s voice trembles with joy, with desperate longing, with something too big and alien to have a name.
“I missed you.”
Kai doesn’t run.
Doesn’t scream. Doesn’t even look surprised. He just sighs, that deep, bone-weary sigh of someone who knew exactly what was waiting for them.
“Sarah. What did you do?”
His voice is calm, almost gentle, like he’s talking to a child who broke something valuable.
And I realize with a horror that eclipses everything else—he expected this.
He’s walking into a nightmare disguised as a welcome home, and he knew it would be waiting for him all along.





































