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Petals

Summary:

The Upside Down proves that horror doesn’t need to roar to kill. After Max and Lucas slip through a hidden rift in the Creel House, they encounter a strange, glowing flower that coats them in sweet, glowing spores. The true nightmare comes afterward. With no understanding of the creature that poisoned them—and no way to reverse what’s happening—the two are trapped in a silent fight against their own bodies, facing a fate far more terrifying than death by monster. Will they be prepared to handle the consequences?

Season 4 subplot, interweaves with canon. A huge alternative-universe

Notes:

Warnings: This story might contains adult content and language and is intended for adult audiences only. It might be not too explicit but if you are underage there are other, more appropriate stories for you on this site.

Chapter Text

The air in the Creel House didn’t just smell like dust; it smelled like rot, a heavy, cloying scent that seemed to stick to the back of Max’s throat. Even with the group all together, the oppressive silence of the house felt like a physical weight, pressing against her eardrums until they rang. Max kept her headphones around her neck like a lifeline, the familiar, comforting weight of her Walkman against her hip the only thing keeping the looming shadow of Vecna at bay. Every time the silence got too loud, she’d thumb the plastic casing, reminding herself she was still here, still grounded, and still herself.

The crew descended from the attic, their footsteps heavy on the rotting floorboards. Steve was shaking his flashlight, his face twisted in a mask of frustrated confusion. "It makes no sense," he muttered, gesturing back toward the ceiling. "The lights—they were flickering like crazy up there. Bright, blindingly bright, but only in that one specific spot. Like the house was trying to point at something, or someone."

Dustin paced in a small circle, his brows furrowed. "It’s a localized electromagnetic surge. If the gate is open—or opening—it would explain the concentration of energy. But why just there?"

"Maybe it's shy," Robin suggested, her voice tight with a nervous edge. She started humming a fast, tuneless melody, her fingers tapping a frantic rhythm against her thighs to keep her composure from shattering.

"Whatever it is, we need to keep moving," Nancy said, her eyes sharp and scanning every shadow. "Split back into pairs. Cover the floor again. If the light reacted there, maybe there’s a trigger we missed."

Max found herself trailing behind Lucas. She stayed close enough to see the way his shoulders tensed with every creak of the floorboards, but far enough to respect the chasm that now sat between them. The breakup had been a slow-motion car crash—months of drifting apart, of letters left unread, of Max retreating into a fortress of silence that Lucas couldn't scale. It still felt fresh, a raw wound that hadn't quite scabbed over.

Lucas kept glancing back at her, his expression a mix of terror and heartbreaking tenderness. He had those pleading, soulful eyes—the eyes of the boy who had sat through every shitty horror movie she liked, the boy who had held her hand at the Snow Ball and promised he was there for her. But Max couldn’t look back. Looking at him felt like looking at a life she wasn’t allowed to have anymore, a version of herself that wasn't marked for death.

"Max, hey," Lucas whispered, slowing his pace until they were side-by-side in the dim hallway. Steve and Dustin’s voices faded as they moved toward the front stairs. "You okay? You’re pale. Like, even for you."

"Yeah, I’m fine, Lucas," Max said, her voice clipped. Her hand trembled as she reached for the volume dial on her Walkman, her thumb brushing the plastic just to feel something solid. "Just a creepy house. Let's just go. The sooner we find something, the sooner we can leave."

They drifted toward the back of the second floor, wandering into a narrow, dark corridor that seemed to stretch longer than it had minutes before. The wallpaper here was different—darker, damp with a substance that looked too much like dried blood. At the end of the hall, a door stood slightly ajar, swaying just an inch on rusted hinges.

A sound drifted through the gap. It was rhythmic, low, and wet—a pulsing thud that vibrated in the soles of Max’s shoes. Thump-squelch. Thump-squelch. It sounded like a heartbeat, but one that was drowning in fluid.

"We should probably tell Steve," Lucas said, his hand hovering inches from the doorframe, his knuckles white. "This... this feels different."

"Since when do we wait for Steve?" Max countered. The fear in her chest had turned into a cold, hard defiance. She needed to see it. She needed to know what was hunting her.
She pushed the door open.

The room was small, likely a former sewing room or a nursery, but any remnants of domestic life had been consumed. The floral wallpaper had been peeled back like layers of skin, revealing a wall that looked more like muscle than wood. In the center of the floor, a jagged, glowing rift sat like an open wound. It was a manhole-sized gate, barely three feet wide, pulsing with a deep, bruised violet light that cast long, dancing shadows against the ceiling.

"It’s a gate," Max breathed, stepping closer, drawn by the hypnotic swirl of the Upside Down’s atmosphere leaking through. "Another one. Right under our feet."

"Max, get back. It’s too close," Lucas warned, his voice rising in panic. He reached out, his fingers catching the sleeve of her jacket to pull her away from the edge. "We need to get the others. Now."

They turned to leave, the floorboards groaning under their weight. But the house—or whatever lived beneath it—had different plans.

From the center of the glowing rift, a thick, obsidian vine shot out with the speed of a striking viper. It was slimy, sentient, and covered in fine, needle-like thorns. Before Max could even scream, the vine coiled tightly around her left ankle, the thorns biting through her jeans and into her skin.

"Lucas!" she shrieked as the vine yanked.

The force was incredible. She was jerked off her feet, her stomach hitting the floor hard as she was hauled toward the glowing tear in reality. The wood groaned as she was dragged over it.

Lucas didn't hesitate. He lunged across the room, his knees hitting the floor beside her as he grabbed her hands. His grip was iron, his face contorted with a desperate, primal determination.

“I’ve got you! Max, I’ve got you!" he roared.

​But the force of the gate was like a vacuum, a gravitational pull that defied the laws of the world above. The violet light flared, blindingly bright, and with a sickening, wet schloop, the reality of the Creel House gave way. The floor vanished, and both of them were sucked through the membrane, falling headlong into the darkness of the world below.

The fall felt like being shoved through a layer of freezing jelly. A disorienting, viscous transition that robbed them of their breath and their sense of direction. They tumbled through the sulfurous air and landed hard on a surface that was neither stone nor dirt. It was soft, spongy, and pulsed beneath them like a living lung, the ground itself giving slightly with a wet, rhythmic contraction.

​Max scrambled back, her palms slipping on the slick, dark membrane that covered the floor. Her heart hammered against her ribs so hard it felt like it might crack her sternum. She was gasping for air, but the atmosphere here was thick and heavy, tasting of ozone and wet earth. The sky above—if it could even be called a sky—was a swirling, hellish vortex of red lightning and dark, ashy clouds that never seemed to settle.

​"Max! Max, are you hurt?" Lucas’s voice was frantic. He scrambled over to her on his hands and knees, his movements desperate. He hovered over her, his hands twitching near her shoulders.

​"The vine," she gasped, her voice raw. She pointed down, her eyes wide with terror.

​The obsidian coil was still wrapped firmly around her left ankle. It wasn't just holding her, it was pulsing, tightening its grip like a boa constrictor. It began to jerk her backward, dragging her across the heaving floor toward a massive, pulsing structure on the "wall" of the cavern—a knot of dark, writhing tendrils that looked like a nest of snakes.

“Lucas, help!”

​"Shit! Max!” Lucas roared.

He reached into his pocket and pulled out the folding knife he’d been carrying since the basketball team started their hunt. His hands were shaking with a violent, bone-deep tremor, but his eyes were fixed on the vine with a protective fury. "Get... off... her!"

​He threw himself onto the vine, hacking at the thick, leathery surface with the dull blade. The vine didn't just bleed, it shrieked—a high-pitched, metallic sound that vibrated in their very teeth and made Max’s ears ring. A dark, translucent fluid oozed from the wounds, smelling of rot. With a final, desperate slash, the vine severed, recoiling back into the darkness like a wounded animal.

​The sudden release sent Max sliding backward. Without thinking, she scrambled into Lucas’s arms, her face buried in the crook of his neck for a split second. She could feel the frantic thud of his heart against her cheek, a rhythm that matched her own. Then Max pulled back, her face flushed and her breath hitching. They were still shaking, both of them staring at each other in the crimson light, the silence of the cave pressing in.

​"We have to get back," Max whispered, her voice trembling as she looked up.

​High above them, the rift they had fallen through flickered like a dying lightbulb—a tiny, distant circle of "normal" white light and dust motes in a world of oppressive red. It looked a thousand miles away.

​"Lucas, look," she breathed, her hand catching his forearm to steady herself.

​In front of them, attached to the fleshy, undulating walls of the cavern, were clusters of strange, translucent flowers. They were beautiful in a horrific, alien way, with petals that looked like raw silk or stretched skin. Deep, dark veins ran through them, pulsing with a faint, rhythmic glow.

​As Max and Lucas moved, the flowers seemed to react to their presence, sensing their body heat or the vibration of their voices. The blooms began to unfurl, their centers glowing with a soft, bioluminescent violet that mirrored the light of the gate. They didn't just look like plants; they looked like sensory organs, watching them, waiting for the perfect moment to breathe.

​"Don't move," Lucas whispered, his grip tightening on her arm. "I think they're... I think they're listening."

​But even as he spoke, the flowers began to hum—a low, melodic vibration that resonated in their chests.

Suddenly, the flowers detonated. It wasn't an explosion of fire or a concussive blast of heat, but a sharp, pressurized burst of air that sounded like a collective gasp from the walls themselves. In an instant, the air was no longer transparent. A massive, roiling cloud of shimmering, iridescent spores glowing with a crystalline brilliance like ground-up diamonds—erupted from the fleshy centers of the blooms, flooding the cramped space around them.

​"Cover your mouth!” Lucas yelled, his voice cracking with panic. He frantically grabbed at the collar of his shirt, pulling the fabric up over his nose and mouth, his other hand reaching out to shield Max.

​But it was too late. The cloud didn't just drift, it surged, a living fog that moved with an unnatural intent. It engulfed them in a suffocating shroud of glitter and shadow.

​Max tried to hold her breath, her lungs burning, but the sheer density of the spores forced a gasp from her lips. She and Lucas both fell to their knees, their hands clawing at the spongy, pulsing floor as they began to cough violently. Every inhalation pulled more of the shimmering dust into their systems.

​Surprisingly, it didn't taste like the rot of the Creel House or the sulfur of the Upside Down. It tasted sweet—sickly, cloyingly sweet, like raw honey mixed with the metallic tang of copper. It coated the back of Max’s throat, thick and velvety, sliding down into her chest until she felt like she was breathing in liquid gold.

​"Lucas..." she tried to call out, but her voice was a mere rasp.

​Almost immediately, the physical world began to shift. It started as a faint hum, a strange, electric tingling that took root at the very base of Max’s spine. It felt like a thousand tiny needles of light pricking her skin from the inside out.

The sensation radiated outward, traveling up her vertebrae and down into her thighs with a terrifying speed.
​It wasn't the cold, numbing dread she associated with Vecna’s presence. It wasn't the paralyzing ice of a vision. It was the exact opposite: it was heat.

​A sudden, intense wave of warmth flooded her system, so powerful it made her vision blur at the edges. It was an internal fever, a fire that seemed to ignite in her marrow. Every inch of her skin felt suddenly, inexplicably sensitized, as if the air itself was now made of silk rubbing against her. Her jacket, which had felt heavy and protective moments ago, now felt abrasive, making her want to writhe out of it.

​She looked at Lucas through the thinning shimmer of the spores. He was still on his knees, his head bowed, but his skin was flushing a deep, vivid red that started at his neck and raced toward his hairline. He let out a low, shaky moan—not of pain, but of a confused, overwhelming physical distress.

​As their eyes met in the hazy red light, Max felt a jolt of pure, strange adrenaline. The tingling in her body was pooling in her lower belly, a heavy, thumping pulse that made her breath catch in a way that had nothing to do with the spores. She didn't know what those flowers were, but she could feel them changing the chemistry of her blood, turning the terror of the Upside Down into a desperate, burning hunger she couldn't understand.

“Max! Lucas! Can you hear me?"

​Steve’s voice echoed from the rift above, sounding miles away, distorted by the strange acoustics of the Upside Down. He and Nancy were peering down through the jagged hole in reality, their faces pale masks of terror against the hellish red sky.

​"Steve! We're here!" Lucas choked out. He tried to stand, but his legs felt like they belonged to someone else—heavy, yet buzzing with a restless, frantic energy. His voice sounded strained, thick with a sudden congestion that had nothing to do with a cold. His skin was flushing a deep, vivid red, a heat blooming across his chest and neck that made the freezing air of the cavern feel like a mockery. "Get us out! Just get us out of here!"

​"Hold on! Stay calm!" Nancy’s voice was sharp, authoritative, though her eyes were wide with panic. A thick coil of yellow nylon rope dropped through the hole, unrolling with a rhythmic snap-snap-snap until the frayed end hit the spongy, pulsing floor. "Climb! Now! Both of you!"

​Max lunged for the rope, her fingers closing around the coarse fibers. Her hands felt strangely clumsy, her grip slick with a sudden, nervous sweat. As she began to pull herself up, the physical exertion sent a tidal wave of that shimmering heat through her system. Her body felt heavy and light all at once, as if gravity were losing its grip on her. Every contraction of her muscles, every slide of her thighs against the rope, sent a strange, buzzing sensation through her nerves—a hum that felt like it was searching for a ground.

​Lucas was right below her, his presence a hovering shadow of warmth. To help her up, he placed his hands on her ankles, then moved them up to steady her calves as she struggled for a foothold.

​The moment his palms brushed her bare skin above her socks, Max nearly let go of the rope. It wasn't just a touch. It was a jolt of pure static electricity that seemed to jump from his skin directly into her bloodstream. It felt like a live wire had been touched to her spine. She let out a sharp, jagged breath, her toes curling inside her Vans.

​"Keep going, Max! Don't stop!" Lucas urged, his own voice cracking.

He felt it too. Every time he touched her, his own heart skipped a beat, replaced by a thudding, insistent pulse that was rapidly migrating toward his waist.

​They scrambled through the gate, gasping and shivering, and tumbled back onto the dusty, rotting floor of the sewing room. The transition back to the "real" world was jarring. The air was suddenly too dry, the light too dim.

​"Move! Move the cupboard! Now!" Lucas barked, his voice raw. He pointed to a massive, rotting oak wardrobe against the far wall.

​Steve and Dustin didn't hesitate. They threw their weight against the heavy wood, their boots skidding and scratching on the floorboards. With a horrific, high-pitched screech of protesting timber, they slid the wardrobe over the pulsing rift, the weight of the furniture effectively sealing the hole. The violet glow died instantly, replaced by the shadows of the room.

​Lucas scrambled to the door, helping Nancy slam it shut. Robin reached out and threw the rusted bolt with a definitive thwack that echoed like a gunshot in the small space.

​For a moment, they all just stood there, the only sound the frantic, synchronized panting of the group.

​"Are you guys okay?" Nancy asked, her eyes darting between Max and Lucas. She stepped closer, reaching out as if to feel Max’s forehead. "Did you see him? Did anything touch you? You're both... you're glowing. Literally."

​Max flinched away from Nancy’s hand, the thought of being touched by anyone right now making her skin crawl with a restless, agonizing sensitivity. She felt like her blood had been replaced with seltzer water. Fizzing, pressurized, and dangerously close to boiling over.

​"Just... vines," Max lied, her voice an octave higher than usual, her words tumbling out in a rush. She couldn't look at Lucas. She could feel the heat radiating off him from three feet away, a magnetic pull she was fighting with every fiber of her being. "And some weird dust. Spores or something. We’re fine. It's just adrenaline. We just... we need to get out of this house. Now. Please."

​She tucked her shaking hands into her pockets, her thumb catching on the seam of her jeans. The simple friction made her breath hitch. She needed to be in the car. She needed to be away from the Creel House. But most of all, she realized with a sinking sense of dread, she needed to be away from Lucas before her body betrayed her completely.

 

*****

 

They piled into Nancy’s wood-paneled station wagon, the heavy doors slamming shut with a series of metallic thuds that felt like nails being driven into a coffin. The engine roared to life, coughing a cloud of exhaust into the damp Indiana air before the tires screeched, tearing down the overgrown, gravel driveway of the Creel House.

​Nancy was white-knuckled at the wheel, her jaw set in a rigid line of pure focus. Her eyes were fixed on the road, darting occasionally to the rearview mirror as if expecting the house itself to grow legs and pursue them. Beside her, Robin was a whirlwind of nervous energy, her hands shaking as she frantically tried to fold a massive topographical map that refused to cooperate, the paper crinkling and snapping in the tense silence.

Dustin and Steve were crammed into the cargo area. They were surrounded by a chaotic mess of gear—backpacks, coils of rope, and the lethal, nail-studded bats that clattered against the floorboards with every jolt of the car. Steve was leaning against the window, munching his chips that he shared with Dustin.

​That left Max and Lucas to share the middle bench seat.

​The silence between them wasn't just quiet. It was deafening, a physical barrier that seemed to hum with the same frequency as the spores in their lungs. Max sat as far to the left as possible, her shoulder blades pressed painfully hard against the vinyl door panel. She had her arms hugged tight to her chest, her fingers digging into the fabric of her jacket, and her knees were pressed together so firmly they ached.

​She felt... wrong. Fundamentally, biologically wrong.

​The "tingling" she had felt in the cave hadn't dissipated with the fresh air or the distance from the gate. Instead, it was evolving, deepening into something much more invasive. It had settled into a dull, thrumming ache deep in her lower belly—a heavy, pulsing sensation that felt like a localized fever. Every time the car hit a pothole or a patch of uneven asphalt, the vibration of the seat sent a fresh wave of electric heat rolling through her hips.

​Next to her, Lucas was in a similar state of silent torture. He was staring out the opposite window, his forehead pressed against the glass as if the cold surface could drown out the fire in his blood. His hands were clenched into fists on his lap, his knuckles white. He was breathing through his nose in shallow, jagged rhythms, his chest rising and falling too fast for someone who was just sitting still.

​Max could feel the heat radiating off him. Even through the two-foot gap of the empty bench seat, he felt like a furnace. The air between them seemed to shimmer with an invisible tension, a magnetic pull that was tugging at the base of her spine, whispering to her to close the distance. She gripped her own elbows harder, her nails drawing little crescents in her skin, trying to focus on anything else—the tree, the road, the back of Nancy's head.

​But the honey-copper taste of the spores was still on her tongue, and the fire in her veins was only getting hotter. The car felt too small, the air too thin, and the proximity of the boy she had spent months trying to push away was becoming a beautiful, terrifying kind of agony.

Suddenly, Nancy took a sharp, aggressive turn onto the main road, the tires of the station wagon shrieking as she swerved to avoid a massive, lightning-scorched oak branch blocking the lane. The momentum was sudden and violent, throwing the entire car to the left.

​Max, who had been balanced precariously on the edge of the seat to avoid contact, was sent sliding across the slick vinyl. Her hand flew out instinctively to steady herself, searching for purchase, and landed squarely on top of Lucas’s hand on the seat between them.

​The reaction was instantaneous and terrifying.

​It wasn't just the warmth of skin on skin. The moment their hands met, it felt as if a high-voltage circuit had been completed. A jolt of white-hot lightning shot up Max’s arm, bypassing her brain and slamming directly into her pelvis with the force of a physical blow. It was an explosion of sensory input so sharp it bordered on pain, yet it was wrapped in a honey-thick layer of pleasure that made her spine arch off the seat.

​"Ah!"

​The sound left both of them in a strangled, breathless unison, halfway between a shout of alarm and a suppressed moan.

​Max recoiled as if she’d been branded by a hot iron, snatching her hand back and tucking it tightly under her armpit, her fingers tingling as if they’d been submerged in dry ice. The flush that hit her face was violent, turning her skin a deep, bruised crimson that felt hot enough to steam. Below her waist, the dull thrumming ache she’d been nursing since the cave suddenly crystallized into a sharp, thumping pulse of arousal. It was so intense, so localized, that her vision actually swam with dark spots.

​"Whoa! You guys okay?" Steve’s voice cut through the thick atmosphere. He popped his head over the back of the seat, mid-chew, a bag of barbecue chips clutched in his hand. He looked between them, his eyebrows furrowing as he took in the sheer frantic energy radiating from the middle row.

​"Fine!" Lucas squeaked. His voice broke spectacularly, jumping two octaves into a range Max hadn't heard since they were twelve. He looked like he was about to spontaneously combust, his eyes wide, watery, and completely glazed with a mixture of horror and agonizing confusion. He frantically shifted his weight, his sneakers squeaking against the floorboards as he tried to adjust his seated position, desperately attempting to hide the sudden, prominent tension in his jeans that made sitting upright an exercise in torture. "Just... the turn. Caught me off guard. Nancy’s driving like a maniac!"

​"Hey, I'm saving our lives!" Nancy shouted back, though she didn't turn around, her focus glued to the darkening road ahead.

​​But it wasn't fine.

The air in the car felt like it was being sucked out of a straw. Robin turned around in the passenger seat, squinting at them with that analytical, sharp-eyed gaze that usually picked up on things people wanted to keep hidden.

​"You guys look... sweaty," Robin noted, her voice dropping into a tone of genuine concern. "Like, abnormally, 'we-just-ran-a-marathon' sweaty. And your pupils are like dinner plates. Are you sure those spores weren't some kind of neurotoxin? Maybe a hallucinogen?"

​"No," Max snapped, perhaps a bit too loudly. She felt a bead of sweat roll down her temple. "We’re just shaken up. Give us a break."

​"Okay, okay, hostile," Robin muttered, turning back around, but her brow remained furrowed.

​Max and Lucas both shifted as far apart as the car would allow, their bodies pressed hard against opposite doors. Max’s shoulder was crushed against the cold glass, yet her skin still felt like it was on fire. She looked at Lucas out of the corner of her eye and saw him clutching his own knees, his knuckles white, his jaw clamped shut so hard his muscles were jumping.

She was terrified of the silence, but she was even more terrified of what might happen if they touched again. She didn't know what the hell had just happened. But she just knew that the distance between them, once a choice, was now a matter of survival of whatever was wrong with her body.

But her mind could not stop the question: What the hell was this?