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Jason's not positive exactly what's going down, but if he wants a fight, Jason will happily bring it to him. He feints right only to duck down at the last moment and ram his shoulder into Nightwing's gut. If he can wind the flippy bastard, it'll be that much easier to take him down, and Nightwing's armour has always been ridiculously thin at the stomach--gotta allow for all those gymnastics he gets up to. Nightwing doesn't manage to entirely dodge the blow, rolls with it just enough that Jason knows he'll be bruised but crucially, not winded.
It gets him close enough that even through the filters in his Hood, he can scent... something. It makes his hackles go up, he wants to bare his teeth, wants to snarl, wants to fight and make alpha prove himself.
Nightwing growls, a low, continuous sound that grates along Jason's instincts.
He should even be able to make this kind of noise, it's all alpha and Dick is a beta.
Jason shakes his head, dismisses it as extraneous information, and gets down to the business of beating Nightwing's face in.
Nightwing doesn't pull out his escrima sticks, which Jason notes with a shiver of unease even as they circle each other and make quick, testing jabs. Surely he can't be so feral that he thinks he can beat Jason in a hand to hand brawl? Jason is flat out stronger than him and has been trained by more people than him, Dick's only advantage lies in his experience, and if he's as feral as he looks, than he'll be going on instinct, which makes one a shitty fighter as so many of Jason's trainers have literally beaten into his skull.
The other thing between Dick and Jason? Jason doesn't give a damn that he's compromised. Jason will put Nightwing down. There will be no pulling of punches, no babying.
Jason growls, a sound not quite alpha deep but damn close for an omega, and aims a punch at Nightwing's ribs.
Nightwing dodge rolls to the side, flashy asshole, and springs up inside of Jason's guard. He punches Jason directly in the jaw.
Jason doesn't quite manage to react in time and the hit connects. His Hood takes the majority of the impact, but it breaks the seal with his gorget, shifts just that little bit out of alignment.
Rut floods over Jason's senses. He freezes, head clouds as the urge to get down on his knees and present rises up within him.
A second is all a fighter like Nightwing needs.
But. But this isn't possible, Nightwing is a beta, Jason knows it!
He flips Jason over and slams him down onto the roof. The Hood, already askew, goes flying. His cunt cramps, his own heat brought roaring to the fore by this alpha who took him down is flooding the rooftop with rut-scent.
He barely manages to get a knee underneath him before Dick is on him. He scratches and pulls at Jason's armour, manages to work Jason's pants down enough to expose his cunt.
"Nightwing, don't," Jason gasps, but it's too late.
Nightwing manages to get his cock out of his suit and without any explanation, shoves it into Jason's barely wet cunt.
Jason howls. It shouldn't feel as good as it does. Shouldn't feel like the alpha is taking his prize.
But he does. It's stupid and foolish and toxic but he feels wanted.
"Nightwing, please," he begs, and he's not sure what he's begging Dick to do. Pull out? Fuck him more?
His head is all dizzy and everything in him is screaming the lie down, to let his alpha hike his hips up and take what he wants.
"Nightwing," he whines and rubs his cheek against the rooftop. All he does is spread the scent of aroused-omega further.
Nightwing groans like he's taken a punch to the gut and fucks him deeper. Jason can feel him in his cervix.
"Nightwing, no, only babies are supposed to go there," he whines. He fingers claw uselessly at the rooftop, unable to get any meaningful purchase.
He wants so badly to be in a nest. Whenever he's been in heat before and fantasising about being bred, he's always been in a fluffy, comfy nest, his pack nearby to watch their backs. Maybe join in when his alpha gets tired, to make sure that the baby will be a proper pack baby. Dick is the only beta and Jason the only omega amongst the Bat-Waynes, everyone else is either unpresented or an alpha. They would fill him up so well, there would be no way he wouldn't get pregnant after a breeding heat like that.
He squirms, pushes his hips back against Dick. Dick's starting to fuck him faster, falling out of his rhythm, and Jason knows what that means, knows he'll be able to feel Dick's knot swell up and then they'll both come loads and loads and loads, Jason's orgasms fucked out of him by the knot pressing on all his most sensitive places. And Dick can fill him up and make a baby in him and then they can go to the Manor and the rest of the pack can take their turns.
"More," he gasps.
He's so close.
Dick grunts and shudders, curls down over Jason's back so he can bury his face in the nape of Jason's neck. Jason can feel come flood into his cunt but, but-
But where's his knot?
His nose is full with the scent of pleased-alpha-rut-so-good but he's not worth knotting??
He presses his hips back, desperately, like he can fit Dick's knot inside even after it's blown. But there's nothing, he just hits the cradle of Dick's hips.
"Nightwing, Nightwing, what? Why are you? Where's your-?"
A big hand clamps down on the back of Jason's neck. SUBMIT floods Jason's system and he drops, collapses down onto his front. Dick follows him down, a warm weight on his back, cock still a little inside of Jason's unsatisfied cunt.
He hears... muttering. He can't quite..
Footsteps and then boots come to a stop in front of him. Black boots, ones he recognises.
Batman, too late to save the day once again.
Bruce crouches down, his cape pools on the ground. He cups Jason's jaw and tips his head up until they can make eye contact.
(Well, as much eye contact as can be made between cowl and domino. )
"Good boy," Bruce praises, and this, this is alpha voice. Deep and reverberates through Jason's bones, carves itself right onto his ribcage alongside his heart. His eyelids flutter and his cunt spasms around the part of Dick's cock still trapped inside of him.
"Go to sleep now, Jaylad. We'll take it from here."
Jason doesn't quite go to sleep but he does zone out. He doesn't react as Bruce pulls Dick out of him and rolls him to the side, doesn't react as Bruce explores his creamy folds, doesn't react as Bruce pulls his pants back into place. There's a thrumming sound overhead, and he's vaguely aware of being picked up, of being carried.
Bruce puts him down somewhere, not soft, not comfy, but padded. He puts Dick in with him. Dick still reeks of rut.
He takes off Jason's pants and boots.
Bruce pats Jason's curls. "You'll take care of him until we make an antidote, right chum? Be a good omega."
Jason's a good omega.
He lets Dick curl an arm around him and pull him close. His breath hitches as Dick sinks his cock back into him, starts fucking him slowly to the rocking of wherever they are.
Jason's eyes close slowly.
He's a good omega.