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ghostieplasma · 11 months ago

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Rut Season Headcanons

feeding the people as promised 😔

General headcanons / all characters:

Horn/antler growth in real life animals increases exponentially during mating season, so I like to think that demon horns also increase in size during ruts.

They run hot during their cycle; flushed cheeks and blown pupils are common.

Certain animals actually “play wingman” to their siblings, helping them with courtships rather than competing with them, to increase the chance of family genes being passed on.

In line with this, the brothers shockingly fight less during rut, and are more likely to share MC during this time.

Heaven forbid a lesser demon makes a move during rut though, or there will be a brawl.

MC can calm them down and ask for mercy on the other demon’s behalf, thankfully.

Belphegor

Between his engorged horns and how much energy his cycle takes out of him, he has trouble holding his head up at times. He nods off more often during the season.

He has a deep heavy scent, something like oud or dark dark chocolate, that just surrounds him during rut. It’s a pleasant musk meant to appeal to mates; a hazy miasma that just melts your brains.

He’s so pliant the entire season. You can climb atop him any time you see him dozing somewhere and he’ll let you use him as long as you like.

The out-of-your-mind-horny hormones and drowsiness makes such a funny combination. He’ll be struggling to keep his eyes open and still climb on top of MC to mount up because they cooed at him and asked him to please them.

He’ll practically collapse right after but dammit he’ll get the job done.

It’s pretty entertaining how quickly they can rouse him just by offering themselves, really. Like waking a kid on Christmas morning, he’ll sit up even as his eyes have barely opened, all wobbly still as he reaches for MC or stumbles over to them.

He doesn’t have very flashy displays or colors like some demons, but he makes absolutely the most inviting nests. That combined with his little demon love perfume and the fact he really is just gorgeous to behold all stretched across the pillows full demon form–he still has a very strong appeal all his own.

Beelzebub

The most territorial during rut. Extra defensive of the house, his brothers, and MC. Definitely starts the most brawls with other demons at this time.

Sometimes it’s out of protectiveness, sometimes it’s to show off for MC, other times it’s just to blow off steam from how hormonal he is right now. He’s locking horns left and right.

Will straight up swing his horns or scuff the ground at other demons the way bulls do before they charge, to make them back off.

Rut is the only time lesser demons can’t appease him with an offering of food. All that’s on his mind right now is knocking skulls together and bending MC over the nearest piece of furniture.

He’s very insistent on making sure MC is fed, even more so than usual.

He can even be a little pushy with it, holding more food to their lips even as they struggle to chew what he’s already given them. He wants to see their stomach so full. It may be hard to convince him that they can’t eat any more.

I love the headcanon that he can rub his wings together to make noise the way some bugs do. I like to think it’s a hypnotic, polyphonic sound, like the tinkling of furin chimes. ( https://fb.watch/oSx4Q-bHBh/ )

The “song” can induce a pleasant daze if you don’t resist it. With everything willing and consensual of course, you could let him lay you down and take care of you for a while.

The iridescence on his wings grows more vivid during rut season, the tips taking on an almost stained glass look. With his big horns and more demonic features unveiled, he really is beautiful to see.

Asmodeus

We know he handles it the best. He retreats to his room with tea and slippers and chocolate and handles the hormonal storm like a pro. Though, there’s moments where he’s clearly straining, taking deep calming breaths that sometimes come out shaky.

He breaks now and then, even after centuries of practice, when no amount of self-care and happy thoughts can soothe the boiling heat inside of him.

Those nights, he just cycles through every toy and wand he owns, unable to keep himself sated for long without help. If MC accepts his invitation they will be there all night.

Like Belphegor, he has some pheromones going on, though much less intense–more like a natural perfume.

A heady scent like honey clings to his skin. It’s warm and he smells like sex incarnate–fittingly.

Absolutely no sparring or clacking horns. Demons who challenge him get ignored. If someone threatens MC or his brothers at this time he’ll just skip the brawl and slice them open with his claws. You’re reminded that even if he isn’t interested in the usual rut fights, he is absolutely still an effective killer.

His main mating display is preening and adorning both himself and his person of interest–so, not too different from his usual shows of love, really!

Though, his bubbly demeanor melts away to something much more sultry. He’s less playful and far more direct with his flirtations now. His gaze is so heated and his words are slower and dripping with need.

Where he would typically propose some cheerful invitation or giggle through some innuendos, during rut he’ll put his hands over MC’s, and look at them with half-lidded eyes, and tell them exactly what he’d like to be doing together right now.

Satan

Oh his face is so flushed and lovely during rut. A permanent blush on his pretty cheeks the whole season.

He can’t focus on anything. His mind is clouded and his whole body feels so hot. All he wants to do is bury himself in MC and taste their lips.

Naturally pretty good at avoiding fights though, with how practiced he is at keeping his temper down and controlling himself. No demon has the nerve to challenge him to spar anyways.

Bets are off if MC asks him to challenge someone, though. They murmur in his ear that they’d like to see him put on a show and a thrill runs through him, tail flicking around and his breath quickening. RIP the nearest demon.

MC can straight up sic him on people like an attack dog while he’s in rut. He won’t pick any fights himself, but he’s eager to display his strength for them if they ask.

It’s okay; demons are good sports about it. Everyone fights everyone during rut. No hard feelings.

The amped up demon forms are out all season. It’s too much to maintain a human glamour while your hormones are raging. Not only do his horns swell but a second, smaller pair appears. His blue eyes deepen like a storm rolling over the sea and a small, ephemeral flame can almost be seen flickering above his head, depending on the light.

He’s the biggest on scenting. Any chance he gets he’s nuzzling on MC or burying his face in their hair. He loves breathing in their scent and he loves leaving his behind on them.

Probably the most forward with his advances. At some point he’ll just herd MC into his room, even bumping them, gently, with his horns once or twice to urge them forward, then lock the door behind them and enjoy them for a few hours.

Leviathan

Fantastic at nesting. Could honestly just make a little love nest to hide away the whole season if MC agreed to it.

Those little spots/scales going up his neck on his demon form are definitely bioluminescent during this time. His horns reach higher and branch out more.

Probably one of the more likely ones to get into a brawl, actually. He’s a jealous bitch who was coaxed into a fight over a game show. Now imagine this is his mate we’re talking about, and combine that with raging rut hormones.

It’s less of a fight and more of a mauling, though. T’is the season for everyone to be reminded that he is the 5th most powerful demon alive. The few demons willing to challenge him are absolutely mangled. He shreds them in mere moments.

He loses some of his shyness in the desperation for relief. His body is aching to be touched and there’s only so much he can handle before he pulls MC in and tells them what he needs right now.

There’s so many love bites. Their skin is so soft and he can’t help but nip at them in those heated moments. If they don’t mind it, he’s more fond of marking than scenting.

Typically he’d be embarrassed about hickies or love bites showing on MC, but he’s extra possessive during rut and his sin is soothed knowing that they’re walking around with clear marks from him for any competitors to see.

Mostly he just wants them close, held snug against him, wrapped up in each other.

Mammon

He'll brawl for MC, but no one is willing to challenge him. He is unbelievably powerful. Rut makes him so frightening that even the witches usually chasing him avoid him for the season.

Also, he’s more focused on pleasing MC than dueling other demons, so he doesn’t get into many sparring matches.

His spiraling horns elongate and gently curve back like those of an eland. It's hard to keep his wings tucked away when he wants to show them off for his partner so badly.

He’s already down to bone at a moment’s notice on a normal day, but during his cycle? Mans is desperate. He’s squirming in his seat whenever he sees MC, fidgeting and biting his nails, until they can slip away together.

If MC is in reach, his hands are on them; on their knee or feeling up their thigh, anything to feel them.

When they aren’t nearby he pleasures himself just to get relief. His libido is usually high, and during his cycle it’s off the charts. MC could keep a tally of how many times they’ve caught him in the act, though it usually leads to them joining him.

His main form of display is gifts, of course. Not just flashy things; he brings MC snacks and tidbits throughout the day, or their bag or keys or a hoodie to stay warm because hey it’s chilly out today, or whatever he thinks they need at that moment.

It’s nesting behavior, with him constantly checking in to ask if they’re hungry, cold, comfortable, ect.

He wants to show that he can provide even without money. He’s an ancient beast who’s been prowling the three realms since before grim or bank accounts–or debt collectors–even existed. If he’s there, MC is taken care of. End of story.

There’s nowhere he shows that best, especially when rut is making his heart race and his blood feel like fire in his veins, than in the bedroom. All MC has to do is ask, at any time, and he’ll eagerly show them how generous he can be.

Lucifer

Oh he is gorgeous in his seasonal plumage. Homeboy invented peacocking. He is 10 million years old. He predates every colorful bird and flashy feather in existence. Peacocks were probably modeled off him. You want a mating display honey you are looking at the blueprint.

The tips of his wings take on an ultramarine hue like ink seeping onto paper. Eyespots appear on his outer feathers. They’re faint at first glance, but they flash when the light hits them, like when a cat’s eyes catch the light.

Let’s not forget that it’s not just 4 wings either, canonically he’s been said to have twelve total in full demonic form. It is the definition of a display when he unfurls them all for you.

Another character who is not going to be locking horns with anyone. He’s as feverish and flooded with hormones right now as all of his brothers are. Any demon who would challenge him in this state is just going to be hit with some ancient-dark-destroying-angel shit and be struck blind or have their insides instantly liquified or something.

He’s very tender during his cycle, actually. I know we imagine rough-and-feral when it comes to ruts, and he’ll still have MC babbling and incoherent as he desperately pounds into them at some moments, sure–

–but what he wants most right now is to sink into MC and let their scent envelop him and let their touch ease some of the fire pulsing through his body. He can’t get enough of kissing them and the sound of their heartbeat helps quiet his frenzied mind.

He’s still absolutely insatiable, naturally; at some point Lucifer just takes the rest of the season off because he knows he’s not actually going to get anything else done until it’s over.

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