Chapter 4: Rostova's Revelation
The thrumming wasn’t just a sound anymore. It was inside Derek’s teeth, a vibration that made his fillings ache. The orange light from the web of cables pulsed in time with it, a sick, rhythmic heartbeat that seemed to sync with his own. Patel moaned against the base of the structure, his hand slipping from the dark stain on his coveralls, leaving a smeared print on the glazed floor.
“Stay with me, engineer,” Derek barked, his voice tight as he moved forward, sidearm raised, scanning the cavern. The structure loomed, a squat, asymmetrical nightmare of angles that refused to make sense. It wasn’t built; it was grown, or forged in some gravity well that didn't play by human rules.
A shadow detached itself from behind the central mass. “That’s far enough, Captain.”
Sergeant Major Eva Rostova stepped into the pulsing light. She wasn’t in uniform. She wore simple black utilities, but she held a pulse rifle with the casual competence of someone born with one in their hands. Her short-cropped black hair was damp with sweat, and her steely eyes, usually just cold, were lit with a fervent, almost religious intensity. They flickered from Derek to the structure and back, a possessive gleam.
“Rostova?” Derek kept his weapon level. “What the hell is this? Where’s Chen?”
“She’s contributing,” Rostova said, her voice flat, devoid of its usual professional disdain. It was something else now, something zealous. “They both are. A greater understanding requires sacrifice.”
“Sacrifice?” The word exploded from Derek. He gestured with his gun toward Patel. “He’s bleeding out! That’s not sacrifice, that’s a crime scene.”
“You see crime. I see process.” She took a step closer, the rifle still held easy, but her finger was on the trigger guard. “You shouldn’t be here, McCall. This is beyond your paygrade. Beyond all of us.”
The humming shifted pitch, dropping into a register that made the bones in Derek’s skull feel like they were grinding together. A deep, unnatural craving coiled in his gut, a sudden, irrational hunger for… something. He shook his head, trying to clear it. “Larsen know about this? This your little side project?”
A thin, cruel smile touched Rostova’s lips. “Larsen is a bureaucrat. He contains leaks. He doesn’t understand the ocean. This… this is the source.” She jerked her head toward the structure. “It’s been sleeping here for millennia. We just woke it up.”
As if on cue, the pulsing orange light brightened, flaring down one of the thicker cables that snaked away behind the structure. Derek followed its path. There, in a recess he hadn’t seen, were two figures strapped into crude harnesses of woven metal and light. Chen and a junior tech he recognized from Atmospherics. Their bodies were rigid, heads thrown back, mouths open in silent screams. The cables were fused to ports on their temples, the skin around them burned and swollen. The orange light pulsed into them, and their eyes were wide, unseeing pools of the same sickly glow.
“Jesus Christ,” Derek breathed, the weapon in his hand feeling suddenly useless and small.
“They are interfaces,” Rostova said, her voice swelling with pride. “Their minds are filtering the signal, translating it. It’s… crude. The human nervous system is so fragile. But we are learning.”
The craving in Derek’s gut intensified, a hollow pull that made him want to step closer to the light, to let it fill him. He fought it, focusing on Rostova’s fanatical face. “You’ve lost your mind.”
“I’ve found purpose!” she snapped, the zealot’s calm cracking for a second. “This is why we’re out here! Not to count rocks or play soldier. This is first contact. The real thing. And it needs us.”
A scuffling sound came from the tunnel behind Derek. He didn’t dare turn. Rostova’s eyes darted past him, and her expression hardened into something truly dangerous.
Diana emerged from the darkness, her face pale in the weird light, her hazel eyes wide with horror as she took in the scene—Patel bleeding out, the two others strapped to the pulsing machine, Rostova with the rifle.
“The energy signature… it’s not from the meteorite,” Diana whispered, her Scottish accent thick with shock. “It’s them. It’s their brainwaves being amplified. You’re torturing them.”
“I’m communing,” Rostova corrected, her aim shifting subtly to include Diana. “And you, little girl, are an interruption. I knew you’d be trouble. All those questions. That… curiosity.” She said the word like a curse.
The structure let out a low, resonant chime. The craving spiked, a wave of dizziness washing over Derek. He saw Diana stumble, her hand going to her stomach, a look of confused revulsion on her face. She felt it too.
“It wants more,” Rostova murmured, almost to herself. “The connection is stabilizing. It just needs a stronger signal.” Her eyes, burning with that possessed light, locked onto Diana. “A younger mind. A brighter one.”
Derek didn’t think. He fired.
The pulse round slammed into the cavern wall next to Rostova’s head, spraying her with fragments of glazed rock. She flinched, but didn’t break. She just smiled, a cold, dead thing.
“Wrong move, Captain.”
She returned fire not at him, but at the ceiling above the tunnel entrance. A sustained burst. There was a groan of stressed metal, then a roar as a section of conduit and rock gave way, crashing down and sealing the entrance in a cloud of dust and debris.
The world shrank to the cavern, the three of them, and the humming, pulsing heart of the alien machine.
Darkness, except for the orange pulse. The dust choked the air, thick with the smell of shattered rock and that underlying, cloying sweetness. Derek coughed, his ears ringing from the blast. He couldn’t see Diana.
“Diana!”
“I’m here,” her voice came, shaky, from his left. He scrambled toward her, his boots crunching on debris. His light beam found her, pushing herself up from the floor.
Rostova’s voice cut through the gloom, calm and terrifyingly close. “It’s better this way. No more interruptions. We can complete the work.”
A new sound started, a high-pitched whine that seemed to drill directly into Derek’s molars. The orange light from the structure began to strobe, faster and faster. The cables attached to Chen and the tech glowed white-hot. Their silent screams became audible, thin, agonized wails that were barely human.
The craving in Derek’s gut twisted, becoming a sharp, physical pain. He needed to get to that light. He needed to make it stop. He fought the impulse, grabbing Diana’s arm.
“We need to get to Patel. We need to get out of this room.”
“The machine… it’s responding to her,” Diana gasped, her scientific mind fighting through the visceral horror. “She’s exciting it. It’s a feedback loop.”
Rostova was chanting something, low and guttural, not in any language Derek recognized. She was standing before the structure, her arms slightly raised, the rifle hanging from its strap. She was welcoming it.
Derek pulled Diana toward where Patel had fallen. The engineer was unconscious now, his breathing shallow. The whine from the structure intensified, piercing. Derek felt a warm trickle of blood from his left ear.
He looked at Diana. Her curls were plastered to her forehead with sweat, her eyes wide with a fear that was rapidly being overshadowed by a dawning, terrifying comprehension. She wasn’t looking at Rostova anymore. She was staring at the writhing forms of Chen and the tech, at the patterns in the pulsing light.
“It’s not just receiving,” she whispered, her voice barely audible over the din. “It’s teaching.”
Rostova let out a sharp cry of triumph. A new cable, this one a slender tendril of liquid metal, unspooled from the heart of the structure. It snaked through the air, moving with a purpose that was utterly alien. It ignored Rostova. It ignored Derek.
It hovered in the space between them, its tip questing left and right, like the head of a serpent.
Then it streaked forward, straight for Diana’s forehead.
The metallic tendril was a blur of liquid silver, cold and precise as a surgical instrument. It stopped a millimeter from her skin.
But as it touched her forehead it recoiled.
The slender tip vibrated violently, whipping back as if scalded. A sharp, high-frequency shriek, full of static and revulsion, emanated from the core of the structure. She wasn't good material. The blood tainted. Diana was a diabetic She looked at her hands, then at the fresh, dark smear of Patel's blood coating her palm and sleeve from when she’d stumbled.
“What?” Rostova’s chant died in her throat. Her face was a mask of shattered devotion. “No. It can’t be.”
The structure’s pulsing light flickered erratically, the harmonious hum fracturing into a discordant, angry buzz. The cables feeding into Chen and the tech flared dangerously bright, and the two strapped-down forms convulsed in their harnesses. The alien machine was rejecting the contamination, the foreign biological signature it found on Diana.
Diana’s scientific mind, racing a thousand kilometers a second, connected the dots. “It’s Patel’s blood, mixed with mine tainted diabetic blood ” she breathed, her voice trembling not with fear, but with dawning, horrific understanding. “On my hands. It’s a pathogen to them. Their biology… it’s completely incompatible.”
Derek didn’t need the science lesson. He saw an opening. He shoved Diana toward the relative cover of a fallen support beam. “Stay down!”
Rostova’s confusion curdled into raw, incandescent rage. Her prized communion was ruined. Her eyes, wild and unfocused, swept the cavern and landed on Derek. “You,” she snarled, the word dripping with venom. She raised the pulse rifle, her finger finding the trigger. “It wants a host. A clean one.”
The shot rang out, a deafening crack in the enclosed space. A searing line of heat grazed Derek’s bicep, tearing through his flight suit and burning the flesh beneath. He grunted, stumbling back behind a protruding section of the alien wall. The smell of his own scorched skin filled his nostrils.
“It preferred you from the start, McCall!” Rostova yelled, stalking forward, her boots crunching on debris. “All that disciplined, empty space in your soldier’s head. So pure. So ready to be filled.”
Another pulse round slammed into the wall above him, showering him in sparks of molten rock and that strange, glazed material. He was pinned. Diana was exposed. The machine was shrieking, and the two human interfaces were dying, their life force being burned out like fuses.
Diana peeked over the beam, her face a pale oval in the strobing light. She met Derek’s eyes across the chaos, a silent, desperate message passing between them. He gave a sharp, almost imperceptible shake of his head. Don’t.
She ignored him.
“Eva, listen to me!” Diana shouted, her voice cutting through the din. “It’s not a god. It’s a machine. A broken one. It’s interpreting our biology as a system error.”
Rostova’s head snapped toward her. “Silence!”
“It’s trying to fix the error, don’t you see?” Diana pressed, her words tumbling out in a rush. “It’s trying to reboot using our neural pathways, but it’s frying them! Chen’s brain is cooking inside her skull!”
For a fraction of a second, doubt flickered in Rostova’s steely eyes. She glanced at Chen’s violently twitching form. It was the hesitation Derek needed.
He lunged from his cover, not at Rostova, but at a loose, jagged piece of conduit lying near his feet. He scooped it up, the metal cool and heavy in his hand. Rostova saw the movement and swung the rifle back toward him, her face a grimace of fury.
But Derek was already throwing. The length of conduit spun end over end, a clumsy, unaimed missile. It didn’t need to hit her. It only needed to distract.
It clattered against the wall beside her, and she flinched, firing a wild shot that went high. In that single, stolen moment, Derek closed the distance. He slammed into her, driving her back against the pulsating wall of the structure itself.
The impact knocked the rifle from her hands. It skittered across the floor, coming to rest near Diana’s hiding place. Rostova was stronger than she looked, all hardened muscle and ferocious will. She drove a knee toward his groin. He twisted, taking it on his thigh, the pain blooming deep and sharp.
He grabbed her wrists, pinning them against the warm, vibrating surface. The orange light pulsed against their struggling bodies, casting their shadows as giants on the cavern wall. The shrieking of the machine was inside his head now, a physical pressure threatening to split his skull.
“It showed me things, McCall!” Rostova spat, her breath hot against his face. “Worlds beyond this rock! Purpose!”
“It’s using you!” Derek grunted, muscles straining against her raw, fanatical strength.
Her eyes widened, looking past his shoulder. “It will have us both.”
The central mass of the structure began to glow with a new, terrifying intensity. The whine escalated into a deafening roar, and the floor beneath them trembled. A network of fresh, glowing cracks spread across its surface like lightning.
From the heart of the light, two new tendrils, thicker and more purposeful than the first, erupted. They snaked through the air with malevolent intent, ignoring the bleeding scientist and the horrified student. One hovered before Derek’s face. The other quested toward Rostova’s.
This time, there was no recoil.
The tendril hovered, a shimmering needle of liquid metal an inch from Derek’s eye. He could feel its intent, a cold pressure against his mind. The other hung before Rostova, whose furious struggle ceased, replaced by a terrifying, beatific smile.
“At last,” she whispered, her eyes reflecting the pulsating core.
But the tendril before her didn’t gentle. It didn't seek communion. It struck. The cable pierced her. It entered just below her sternum with a wet, crunching sound, punching through her utilities and into flesh and bone. Rostova’s body arched violently, her mouth open in a soundless, shocked ‘O’. The metallic shaft buried itself deep, and for a horrifying second, Derek felt the vibration of the impact through the wall he still held her against.
A guttural, electronic scream, both alien and deeply human, tore from her lips. Orange light, thick as liquid, surged up the cable and flooded into her. Her skin began to glow from within, the veins in her neck and face lighting up like circuits. Her steely eyes widened, the pupils dissolving into pools of incandescent fire.
Derek shoved himself away, stumbling back as her body convulsed, suspended now by the brutal cable. The structure’ hum changed, deepening into a satisfied, resonant thrum. It had what it wanted. A strong host. A willing one.
“Diana!” he yelled, his voice raw.
She was already moving. She scrambled from behind the beam, snatching up Rostova’s fallen pulse rifle. She didn’t hesitate. She didn’t aim at the structure or the cable. She leveled the weapon at the still-twitching form of Sergeant Major Eva Rostova.
“The connection is two-way!” Diana shouted over the roaring energy. “It’s learning from her, but she’s a conduit! We have to sever it!”
Derek understood. He nodded, his own weapon coming up. “On three!”
Before he could count, the structure reacted. Rostova’s head lolled, her burning eyes fixing on them. Her mouth moved, but the voice that emerged was a layered horror, her own tenor woven with a buzzing, static hiss. “Pattern… recognized. Threat.”
The other tendril, the one meant for Derek, whipped toward Diana. Derek fired, his pulse rounds sparking harmlessly off its metallic surface. It was too fast.
Diana dove, the tendril slicing through the air where her head had been. She hit the ground hard, rolling and coming up firing. The shots slammed into Rostova’s torso. The suspended woman jolted with each impact, but the cable held fast, pumping more of the glowing energy into her, healing the wounds as quickly as they formed.
“It’s no use!” Diana cried, scrambling backward.
Rostova’s body began to change. The skin on her arms cracked, revealing the same glowing, ceramic-like material as the structure beneath. She was being remade. Consumed.
The initial cable, still buried in her chest, pulsed one final, massive surge of light. Then, with a sound like a sigh, it went dark. The orange glow within Rostova dimmed, her body going limp. For a single, hopeful second, Derek thought it was over.
Then her eyes snapped open. They were no longer human. They were solid, polished obsidian, reflecting the frantic scene back at them. The structure fell silent. The only sound was the drip of water and Diana’s ragged breathing.
The thing that was once Rostova tilted its head, the movement unnervingly fluid. It looked at Derek, then at Diana, its gaze a physical weight.
It spoke, its voice a perfect, cold imitation of Rostova’s, stripped of all emotion. “Direct physical interface established. Threat assessment protocol initiated.”
It took a step forward, the dark cable still protruding from its chest like an umbilical cord. The floor trembled.
The floor trembled.
Diana didn’t think. She acted.
She swung the pulse rifle, not at the thing wearing Rostova’s face, but at the thick, dark cable still rooted in its chest. The stock connected with a sickening crack of plastic on hardened material. It didn’t break, but the entity staggered back a step, its obsidian eyes flickering with orange static.
“The blood, Derek!” she yelled, her voice cracking. “My hands are still covered in it!”
He understood instantly. While the thing was off-balance, he lunged, grabbing a jagged shard of rock from the collapsed entrance. He didn’t aim for a kill. He slammed the sharp edge into the cable, right where it met Rostova’s sternum.
A screech, pure and electronic, ripped from the thing’s mouth. It backhanded Derek with impossible force, sending him flying into a console. Sparks erupted around him.
But Diana was already there. She shoved her blood-smeared palm directly onto the entity’s face, right over those black, polished eyes.
The reaction was immediate and violent. The thing that was Rostova screamed, a sound of two voices—one electronic, one horribly human—twisted together in agony. It clawed at its own face, stumbling back toward the pulsating heart of the structure. The dark cable tore free from its chest with a wet, ripping sound, spraying a luminescent fluid that sizzled on the floor.
The structure itself seemed to recoil. The orange light dimmed, and the oppressive humming faltered into a pained, stuttering whirr. The entity collapsed to its knees, its form flickering between the hardened Sergeant Major and something glistening and new.
Derek pushed himself up, his side screaming in protest. He looked at Diana, her chest heaving, her hand still outstretched and dripping. The cavern was silent, save for the ragged sound of their breathing and the structure’s dying whimpers.
Then, from the darkness near the ceiling, a new sound emerged. A slow, deliberate scraping of metal on metal. A single, pristine tendril, untouched by the conflict, unspooled from the shadows. It moved with a chilling, predatory grace, circling them, studying them. It had learned.