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#demon!peter aprker
starkeristheendgame · 3 years
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Hunter!Tony x Demon!Peter AU
Hunter!Tony binds Demon!Peter to himself in order to find the monster that murdered his late fiancée. Lead down roads he’d never imagined himself taking, Tony discovers that maybe revenge isn’t the only thing he’s hungry for.
TW/Tags: Supernatural AU | Enemies to something | Hurt/Comfort | Angst | Injury | Blood | Near-death experience | First kiss
“Is being a pervert part of the hiring process or are you just getting your money’s worth?”
Tony couldn’t see it, but he knew regardless that those plush lips would be pushed into a pout and those arched brows would be furrowed into a petulant scowl.
“If you’ve got me running around like your little errand boy, the least you could do is be nice to me,” a high, sweet voice simpered back. The face that belonged to it was just as youthful when it appeared in the mirror over his shoulder, watching him button his shirt with vested interest.
Tony didn’t deign to dignify it with a reply, staring down the pretty little monster until it let out a sigh.
“Fine. I have your lead. Arkansas, a seedy little dive known as the Dog Den.”
Something hot and rabid twisted in his gut and he had to pause his motions, hands trembling almost imperceptibly. It felt a lot like rage and a little bit like hope.
“Are you sure?”
Eyes the colour of fresh honey rolled so hard he could almost hear the muscles stretching. “No. I asked a magic eight-ball.”
He twisted with a snarl, reaching out. The ring on his finger pulsed with a molten orange glow and between slender wrists a chain that shimmered transparently flared to life, forming a delicate set of shackles no wider than if he’d wound a necklace there.
He curled a finger in the glowing links, dragging the Demon close enough that he could see the flecks of gold in those dark eyes. 
“I’m sure,” it repeated, softer, quieter, holding his gaze with wariness, but not fear.
He let the chain drop after a moment, grunting as he turned around and finished buttoning up his shirt. When he twisted to reach for the jacket the lithe figure was sprawled out on his bed, artfully arranged as the Demon flipped through a magazine Tony knew hadn’t been in his own bags.
“You know,” the Demon piped up again as he tucked in his shirt, “maybe if you smiled a little more, the ugly things in the dark wouldn’t try to kill you as much.”
“Shut up.”
“Not possible.”
“I’ll make it possible.”
“Oh, you always promise me a good time and never deliver.”
Despite himself, Tony found he had to wrestle fiercely with a smile. “Peter.”
That heady, dangerous gaze pinned itself to him again. He met it evenly, ignoring the thrum of his pulse. The Demon really couldn’t have picked a prettier vessel to take over, a smudge of parasitic darkness inside the prettiest packaging.
That pink little mouth opened like it was considering another witty retort, then closed. Instead the Demon - Peter, merely hummed and went back to flicking through his magazine, disinterestedly glossing over half-naked women and gossip scandals.
It was almost disconcerting. To look at the pretty little slip of a thing sprawled out on his bed like some rented whore and to know that behind that pretty face was a being of Hell’s creation. Something twisted and dark, a corrupted soul festering behind a distracting smokescreen.
Peter Parker was the sort of face Tony would’ve fallen for like a rock, if he hadn’t been the one to summon the Demon to the surface.
Perhaps that’s why the Demon had chosen such a nice outfit. A desperate bid not to get ganked the moment he crawled out of Hell.
“You’re thinking too loudly,” Peter sighed, turning a page idly. He’d rolled over onto his stomach now, jaw propped in his palm. 
“You can’t read minds. Don’t get comfortable, we’re leaving soon,” he grunted in reply, shrugging on a jacket.
“Can’t I just meet you there?” the Demon whined, looking up with (literally) sinful puppy eyes.
“No.”
He left it at that, flat and unforgiving, as he had to be. In another life he’d have fallen for that soft whine and that pleading look. Might’ve taken his shirt right off and crawled onto the bed, put that open mouth to good use.
But this was not that life, and that pretty face was stolen.
He checked all his things then reached out, plucking the gossip rag from Peter’s hands and throwing it in the trash. “Meet me at the car.”
“I was reading that,” Peter huffed indignantly, glowering up at him before he disappeared, leaving behind nothing but a dip in the bedspread and the scent of copper.
He was sprawled in the backseat when Tony made his out to the 1970 Challenger he called his own, a set of stylish shades covering his eyes, fluffy hair unkempt and arms folded behind his head.
“Feet off the upholstery,” he huffed as he turned the key, swinging the car out of the parking lot and onto the road with a loud rumble of the engine.
“I know for a fact you sleep in this car and my shoes are clean,” Peter answered primly, angling his head towards the open window and the warmth of the morning sun.
Arkansas was a three day drive. They spent the first in almost complete silence, although the Demon did sulk when they stopped for gas and Tony declined to buy him anything. Rather than waste money on another motel he pulled onto a quiet patch of land behind a thicket of trees, settling across the bench seat with a sigh.
“Fuck off and come back in the morning.”
“Eloquent as ever,” Peter griped, leaning over the seat, arms folded and chin atop them. He looked laughably angelic in the darkness, all soft edges, voice quiet enough that a mouse wouldn’t flee it.
“Sweet dreams,” he whispered, and when Tony cracked open an eye to repeat his command, he was gone.
Gone, until he thumped his fist on the window at the ass-crack of dawn, looking chipper and cheerful, Starbucks cup in hand. “Up and at ‘em, sunshine! The monsters aren’t gonna hunt themselves!”
Tony considered stabbing him there and then, but Peter was unfortunately an asset he couldn’t afford to lose. Invaluable, as much as it stroked the Demon’s ego. He settled for glaring, baring past the Demon as he stomped off to relieve himself. 
The next two nights went much the same, although Peter got chattier the more bored he became. Fiddled with the radio, disappeared for moments only to return holding an ‘interesting’ leaf or rock, scooped up from the side of the road Tony had just driven past.
Arkansas was crisp and bright and dewy in the mid-weeks of spring. It was so different from the New York of his youth, with it’s towering glass jungle and concrete pillars. It was a visceral reaction to think of the scent of flowers and clean air in Sicily, of pink lipstick smudged on his jaw, a laugh fading slowly, overtaken by the rumble of the engine.
Countryside became a smattering of industrialisation, bars and houses, garages and stores. He wanted to keep on going, chase that tail until he caught it and tore it off, but he knew better than to rush in half-blind.
He had to eat something proper. Had to rest. Had to learn everything he could from the paltry little stack of papers that Peter had given him, printed out at a library miles and miles back in the time it had taken Tony to piss and buy a bottle of water at a gas station.
Food, first. 
The diner was like every other. Gaudy and cheap with food that was more grease than nutrition. Peter’s nose scrunched the moment they entered and he looked nonplussed when they were guided to a booth.
The Demon made a big show of pulling out a pack of wipes from the pocket of his fitted jacket, scrubbing the table as the waitress listed off the day’s specials. Tony rolled his eyes before ordering coffee and a slap-up breakfast, about to dismiss the waitress when Peter cut in with a saccharine smile. 
“Bacon too, please. Crispy. And a milkshake. Thanks a bunch, darling.”
She arched her brows but made no comment, glancing at Tony before leaving. Then it was Tony’s turn to stare and quirk his brow, watching the Demon shrug lightly. 
“What? I get cravings.”
Peter fiddled with a napkin as they waited, as Tony read through the sheets of paper. Folding it over and over into a little crane that he perched atop the salt shaker. 
“Where did you even learn origami?” Tony grunted, watching it sway before it stabilised. Peter’s gaze flicked up to him and there was something unexpected there. A hollowness, heavily guarded but flickering in the gold of his irises even so. 
“Even the worst of the worst need hobbies, hunter,” he uttered softly, and then their food arrived and they were lost to the silence that overcame those sating their hunger. Peter ate with an almost childlike manner, easily distracted, toying with his straw before each sip. He even swung his legs a little and drummed his fingertips on the table top.
The perfect performance.
He looked away.
Peter was unusually quiet after that, subdued as they made their way to a motel relatively close to the Dog Den. He didn’t even pester the receptionist or try to embarrass Tony by pretending to be some sort of rent boy as he purchased a key, eyeing the Demon consideringly.
When Tony slipped beneath the sheets Peter disappeared without argument, offering only a mock salute before he flickered and was gone, leaving nothing but a wisp of dark smoke.
He wondered where the Demon went. Back to Hell? Some run-down library to read through the night? An empty motel room to pilfer their cable connection?
The disconcertion over Peter’s silence left him the next day, when he commanded Peter to steer clear as he got dressed to hit their lead.
“You can’t go alone,” Peter announced, frowning.
“I can and I am. You’ll just attract attention,” Tony pointed out, shrugging on another flannel and tucking the flask of holy water against his belt.
“And if you die?” Peter shot back. It surprised his brows into lifting as he met the Demon’s gaze, tipping his head.
“Then you’ll be free of your bindings and there’ll be one less hunter ganking your friends. What’s the problem?”
Peter’s mouth opened, then closed, as if he was only suddenly remembering that he wasn’t in this little dynamic duo willingly.
“I get the Challenger if you die,” the Demon said instead, turning away from.
And maybe Tony should’ve thought more about that demand, because the only thing he could think of as he lay bleeding in the middle of the woods several long hours later was that Peter would most definitely get the car all scratched up and dirty.
Demons had no respect for vehicle maintenance. 
He coughed wetly and grunted, pressing a hand to his bleeding chest. They wouldn’t, he supposed. Demons could just fly everywhere.
Peter had adamantly argued it was not teleportation.
He breathed out a sigh and shifted fumbling for his wallet. His fingers smeared blood against the white edges of the crumpled photograph in there and he stared at his wife’s smile, frozen in time and taken just days before a Demon on a murder kick had burnt her soul up from within her, along with their unborn daughter.
“I’d say see you soon, but. W’both know m’goin’ to Hell, not where you are,” he told her image softly, giving it a weary, slow smile.
“Hell would ask for a refund,” came a familiar voice, and moments later there were warm hands on his jaw, tilting his head up. “You stupid bastard. I told you not to go alone. I could feel there was someone stronger in this town!”
Peter’s eyes were wide and round, plump lower lip between his teeth as he dropped his gaze, eyeing where Tony was slowly leaking his insides all over his outsides. “Shit,” the Demon breathed softly.
Tony made an agreeable sound. Shit was about right. He’d run head first into the messy, gruesome end that almost every hunter found themselves at. The end of the road; the final curtain; bleeding out somewhere at the hands of something twisted and ugly and evil.
“Guess you get th’car,” he rasped, aiming for humorous. It fell short when he blanched and more hot fluid slid down his throat and his chest, pooling at his navel. 
“Shut up,” Peter growled at him, letting go of his head to pull up his shirt. His fingertips were light, but it still felt like fire. Hot and licking over everything he touched. “God, you’re so fucking stupid. I told you to take me. I told you I should go.”
“C’n you save th’gloatin’ ‘till I’m dead?” he asked, frowning. Most hunters probably didn’t get this much conversation on their deathbeds.
Peter shot him a positively scathing look, pressing down hard on the wound. It made agony flare up his torso, smothering his pathetic yell of pain into a weak, thready rasp.
“This is gonna hurt us both,” the Demon muttered, looking inexplicably angry as he settled his palms flat atop the worst of the wound. A muted sound was all Tony could manage, watching the Demon with hazy confusion.
For a moment, nothing happened. 
Or at least, Tony didn’t notice it happening. 
But then a strange, new type of pain began to lance through him, battling against the numbing burn of his torn organs. It crept through his veins and branched out, a tingling, almost electric sensation that had him tensing as best as his broken body would let him.
He opened his mouth and if he’d had the energy left for it he’d have reeled in surprise when Peter leaned forwards, slotting their mouths together firmly.
The Demon’s lips were soft and plush, with the faintest trace of soda. His lips were warm, too, just a breath above what would be normal for a person. 
Tony almost didn’t know what he should be recoiling at the most; kissing a Demon, or kissing what was for all intents and purposes a sixteen year old.
Peter didn’t try to do anything else and Tony realised in the timeframe that he’d been internally broiling over the situation, breathing had become easier.
The fire was dulling to a simmer; a slow ember that still ached but no longer made him feel like he had one foot in the gates of Hell. His breath hitched and Peter pulled back slowly, keeling to one side slightly and almost falling over as he drew away.
His eyes were pools of inkblack, shiny and void as the Demon sucked in his own rattled breath, pulling shaking hands away from Tony’s torso.
He let his gaze fall slowly to his chest. He was still covered in blood, but the flesh there looked smooth and unmarred. Where he was once carved open like a pot hole there was once again closed off muscle and flesh.
He looked up in surprise. Peter was on his knees, hands braced on his thighs as he rode out the strain of wrangling his leashed powers. His eyes were slowly returning to the human hue, red-rimmed as if he’d been crying, plump lips downturned.
Tony licked his own, jerked straight back into the sensation of Peter’s mouth on his.
“Why?” he demanded roughly, bringing a hand to subconsciously touch his chest.
Peter shot him a sidelong look, the effect slightly dampened by the way he looked vaguely sick.
“A thank you might be nice,” the Demon sneered at him, huffing a twisted curl from his eyes as Tony pushed himself to his feet, ungainly and uncoordinated. Bracing himself on a tree, Tony stared down at the Demon.
At Peter, who’d saved his life. Against all he stood to benefit from Tony’s death, against all that he’d done his best to kill him when he first discovered he’d been shackled to Tony. 
Coughing, Tony did his best to pull his shredded shirt closed before he made a rough gesture. “Get up. You’ll have to take us back to the motel. My car’s still at the bar.” Smashed up or stolen, he realised with a pang of sadness and anger.
“Oh no, lover-boy. You’ve been keeping me at half-mast all year. One night of fun has done me in for the night. I’m limp - get your own ride into town.”
Tony glowered, but all his frowning and snapping proved fruitless. Peter’s powers had been bound tight for almost a year and he really was burnt out, looking every inch as young as his vessel as he wobbled to his feet. The most he managed them was a few meters down the road when he tried.
It took them until sunrise to come close enough to the town that Tony could hotwire a car from the side of the road, ditching it a reasonable way from the motel and wiping it down with a clean patch of his shirt to get rid of his fingerprints.
He wasn’t bothered about Peter’s. Peter had mentioned having this particular vessel for over fifty years - his prints would be written off as a glitch on the system.
He went straight for the shower, scrubbing his skin pink as he tried to sleuth off the memory of being cut open, of dying alone in the dark and the cold, certain that this was his one-way ticket downstairs.
Brushed his teeth; trying to rid himself of the guilt that came with realising that the kiss had been pleasant, to a degree. Soft, pink skin, the sweetness of a soda consumed while Tony had been-
He shut off the water.
When he stepped out, Peter was actually curled up in the bed, looking almost infantile with the covers pulled up to his jaw. He seemed only half-awake, barely stirring when Tony entered the room. He was pulling on a new shirt when Peter spoke, voice sleepy and quiet.
“My Uncle taught me.”
Tony paused, glancing over his shoulder.
“Origami,” Peter clarified softly. “You asked me. At the diner. Where I’d learned origami. My Uncle taught me when I was thirteen.”
Pulling on a pair of sweatpants, Tony took a light seat on the edge of the bed, each of them facing a separate wall. He was quiet for a little while, digesting the information.
“Thank you for saving me,” he grunted after a moment, uncomfortable with the intimacy of the words. It wasn’t anything he’d ever thought he’d say to a Demon. Peter had gotten him out of scrapes and healed up wounds before, but always under command and never anything so serious.
Desperate to rein back some control, he slid under the sheets and stared up at the ceiling. “If you ever kiss me again, I’ll use thread soaked in holy water and sew your mouth shut.”
Irritatingly, Peter snorted. “That was hardly a kiss.”
“You’re in a snot-nosed brat’s body, what would you know about kissing?” Tony shot back, brows pinching into a frown.
“This,” Peter huffed at him, rolling over and on top of him.
Tony blamed the fact that he didn’t pull away on simply being too tired to.
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