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Inflated by Filth

Part One

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Written by Arian Mabe (Amethyst Mare)

Commissioned by anonymous

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A sequel to Dirty Inflation...

Arctic stood in the throne room of Canterlot Castle, the magic of the two alicorn sisters winding around him. Moment by moment, his body was no longer his own, though the pegasus pony still had his wings, his tail and more - all the parts of him that he was so used to. Even the cutie mark, which was often covered up by something that his mistress deemed appropriate wear for him, stayed the same, though his body did not.

He whimpered, his light coat moving over flesh and bone, though there was no pain, only a sense of weightlessness as Princess Celestia's magic bound with Luna's, helping him to stand upright, on two legs, his spine re-aligning itself. Parts were the same but, being changed from a four-legged stance to a comfortable, anthropomorphic body was not something that the pet-pony ever thought that he would get used to.

"Stretch out your wings, Arctic, you know it helps settle the transformation."

He tried to think of the grandeur, the splendour, of the throne room, to admire the stained-glass windows so that he did not have to think about anything else, even though his heart beat harder and faster. For he could not forget just why it was that he was being set on two hooves instead of four, his forehooves moulding seamlessly into more pliable, dextrous hands, fingers aching oddly. He flexed them, sucking in a breath, his chest lightly muscled, though his sheath and balls were even more obvious in such a position.

Of course, they used their magic a little more to play with him, caressing him, stroking the plump fullness of his sheath as his balls hung down, trembling with the tiniest shifts of weight in his body. His massive prick could not help but slowly, so slowly, slip out, filling his sheath and swelling forth, hardening in a thick length of stallion flesh that, oddly enough, was not all that often used for the virility he possessed. His mistress preferred to turn that against him in most cases, reverse-milking him so that his balls backed up, his body producing more and more seed with nowhere for it to go, or if she took his cum from him, it came without the usual dose of pleasure from him.

Such was the will and the life of being a pony pet. And it was a place that Arctic was only too happy to be, submitting to his mistress and doing all that the others around her willed to. He was there to be hired out and he was the only one who could be entrusted to satisfy the evil desires of the other halves of the princesses, their darker halves with such sordid desires that, so often, they could not be spoken aloud.

They preferred him that way, apparently so, using hands themselves to manipulate and use him, though their magic, to be fair, could have more than easily done the trick too. But that was not for the submissive pegasus to worry about, not when his life and his day was well and truly out of both his hands and his hooves, Princess Luna leading the way down the steps that had appeared beside the throne to the dungeons. Those, of course, were kept locked by magic at all other times. Somepony might have considered Arctic privileged to be able to see such a part of Canterlot and the castle, but the stallion wasn't sure about that.

"Thank you, Arctic, for being willing to do this once more. As you will see, their desires have...grown."

He gulped, but Celestia was behind him. They may have been sympathetic to his cause and the reason he was there to please the nightmares of night and day, but there was no real option for him to back out either.

"It keeps them in check," Celestia added, a deeper note to her voice. "Our magic holds them, but it grows tiring to push them back if they are antsy. And that's putting it mildly."

He lowered his head as much as he was comfortable doing while still descending the steps.

"Anything I can do to serve, I will."

For that was his cause and place in the pony world as their pony pet, owned by Mistress Shy and doing her bidding under due orders at all times. The cell, however, that he was led to, was not quite the same as what he had been used to, the cavern larger and more open, though it had looked more like an expansive, somewhat homely, prison cell before. The bookcases and amenities, for their use, were still there, of course, but it was all one big open space, the roof rising into the stalagmites high above. They glowed with the lingering, resilient magic of the castle and the princesses, but he did not think of that, trembling on two hooves, his cock hard and wanton. For the evil alicorns were there before him and there was no turning back to the comfort and safety of Mistress Shy anymore.

"Well, well, well... Look who has come to visit us, dear sister."

Arctic could not be sure who Nightmare Moon was speaking to, whether Daybreaker as her "sister" or Princess Luna, though Luna took half a step back, her muzzle wrinkling in distaste. Even after her time on the moon, however, she was too proper and composed to rise to the bait. The entry to the cell was about the height of the grand doors into the throne room, metal bars blocking the way, though a magical signature was required to unlock it as Luna, cautiously, did so.

The door clicked open and he took a deep breath. He could have squealed and run and said that he didn't want to do it anymore, but, truly, he would have been lying, in some way. His cock throbbed and bounced under the weight of his arousal, pulsing and drooling, for he was not wearing any gear at all, nude from head to hoof, everything that he had on show and available to the nightmares of day and night before him. Daybreaker, with her flaming, dancing mane, licked her lips, the two alicorns already in anthro form, leaving only Celestia and Luna in their more conventional four-legged shapes as the princesses of Equestria.

"Come in, come in," she drawled, though the flash in her dark eyes begged ill-will. "I'm sure we can, ah...be suitably entertaining for a slut like you, Arctic."

It was one of the only times that she had ever said his name and the stallion caught his breath, a band tightening around his chest. It was wrong but it was right, coming from her, in that particular tone, a voice that made him want to drop to his knees and worship her, service her, do anything dirty, decrepit thing that either of the evil alicorns would have ever wanted him to do.

Quietly, knowing when their presence was no longer needed, Celestia and Luna retreated, locking Arctic within their expansive cell. It was not much of a cell anymore, to be honest, but he supposed, through a delirious throb of anticipation, that that was the price for housing two of the most wicked beings in all Equestria. And it was him that would satisfy them, soothe their lusts so that, at least for a little while longer, they would be "happy" with being restrained and not turn their attention to more devious means.

That was, after all, what everyone hoped. But maybe the alicorns already had all the power they craved tucked away down in that dungeon, the caves offering them everything without even having to go after it for themselves.

"Look at the slut stallion, he's already hard. And you don't even know what we're going to do to you yet."

Daybreaker walked around him in a slow circle, taking the stallion in from all angles, although both were still bigger than him in their anthro forms. Arctic was large, even for a stallion, in more ways than one, his cock throbbing, standing out straight before him even if it could not help but pull down lightly under its weight. No matter of blood in the world filling his dick with passion could keep him rigid under such condition, cock drooling thick dollops of pre-cum, a stallion-like whicker on his lips.

"Ohhh, he is randy..." Nightmare Moon licked her lips, showing her fangs as the starry nebula of her mane danced back and forth, catching the eye. "But I can take care of that."

No more were Princess Celestia and Luna there to protect him, not that they would have done anything anyway. For Arctic knew well and truly what he was getting into as Nightmare Moon lunged for him. A flicker of darkness enveloped her and her power swept through, not even needing her magic as her wings flared, lancing through the air in the blink of an eye. He squealed but didn't even have a chance to take a step back before his hooves too left the ground.

Airborne, strangely so. Yet the feeling of weightlessness only lasted for a minute as he was turned upside-down, the cell jolting around him, made to know, in no uncertain circumstance, that he was there to please and only to please. The nightmare queen, however, was more powerful still and even a hyperphallic length such as his posed no true trouble to her as she sucked his cock-tip into her mouth.

"Mmmph..."

It took Arctic a moment to realise quite what position he was in, his legs pushing...what was it, over her shoulders? He was upside-down, facing away from her crotch, though he wondered, vaguely how it would have been if he had faced her, his nose pushed into her crotch. Of course, she was too large for him to line up in that manner, which was a shame, even if his heart pounded fiercely. His balls rested on her chest as she kneaded and squeezed them, taking delight in the susceptibility of his body to arousal, cock throbbing despite his predicament, so much cum contained within his foal-makers. Her size worked against him even as she dragged him in against her, cock disappearing inch after gloriously fat and heady inch straight down her throat as it bulged around his size.

"Ohhhh..."

Arctic moaned out loud, as much as his head spun, wings flapping helplessly, though they did not feel large enough in an anthro form to take flight and lift his body from the ground. It was difficult, so very much so, as he grunted and gasped, but pleasure had to come one way or another as Nightmare Moon dug her fingers deliriously into his fat nuts as they spilt down. Upside-down, they bounced on top of her head as she deepthroated his dick, though he could only be glad that they parted to either side of her horn, the heft and weight of them rendering them churning.

Yet there was another alicorn there to take him and he felt the heat of her flames before he knew she was so close to him, dragged back from Nightmare Moon's crotch and lower abdomen, even though his tongue was already out as if he sought to please her. The alicorn's arms tightened around his hips, arms hooked around his legs to leave her hands free to grope and squeeze his nuts with too much force, but Daybreaker demanded more. She squatted a little to bring herself to a better height, snarling and grumbling under her breath about Nightmare Moon putting him in an awkward position, though all it took was dragging his head back to an admittedly uncomfortable angle to cram his head between her thighs.

"Get to work, slave!"

That was all they saw him as, all he would ever be to them. Daybreaker settled for lying back on the ground, her shoulders and upper back pressed into the ground and her legs raised, though she did not need to contract her abs to keep her legs off the floor. Oh no, it was much easier for the alicorn to use Arctic's body as leverage, looping her thick thighs and strong calves around his shoulders and upper body, a hoof digging in here and there - but who really cared about something like that? It meant that she had to push her buttocks up towards him, but his muzzle was far more easily accessible to her like that, Nightmare Moon grudgingly acquiescing and lowering him, just a little, so that the two of them could be pleased at once.

All he knew, all that he had to know, was the sweetness of Daybreaker's pussy as he dug his tongue fervently into it. Pleasing a mare in such a way was a form of worship, especially to him, something that had his head spinning and swimming, taking him away to a deeper, more passionate state of being. It was sub-space, something that Mistress Shy had taught him about, but he could go into that deeply submissive, subservient state of mind in many ways, his lust rising, curling deep in the pits of his guts.

His balls ached and he did, at that time, experience true pleasure as it swept through him, ecstasy bringing a shrieking whinny to his fluttering nostrils, as muted as his cry was by Daybreaker's thick thighs. She closed them more fervently around his head, forcing his tongue into place over her clit, even as she gushed and practically painted his muzzle in her juices. Such a flow would not be stopped as he strained and moaned, trying to gulp down every drop, though only a small amount slipped teasingly down his throat as it worked and worked.

"Unff... You're just like you were before, slave."

Whether that was a compliment or an insult did not matter to Arctic, not considering all that he could do for them, the devious nature of their inclinations. He didn't want to be in control, not one bit, not even as Daybreaker released her bladder while his muzzle was still shoved between her thighs. There was nothing clean and fresh or delicate about either of the alicorns, their carnal passion demanding satisfaction at the cost of all else.

One load. As piss splattered and coated his muzzle, he grunted through it all, his nuts churning, spending a load of seed down Nightmare moon's throat. Barely an inch or two of his dick remained outside her muzzle as she swallowed down everything he had to give, pouring straight down into her grumbling stomach, though there was still plenty more where that came from. It was not enough for her, never enough, though Arctic was too caught up in pounding, mind-numbing ecstasy to wonder just why she was so intent on draining his balls, why his creamy load of stallion cum was what she had gone for first.

But that would come to be known later as Daybreaker ground on his snout, marking him messily with her juices. Her arousal squirting, painting him once again in her essence, yet he parted his lips willingly to take it all, his tongue pushing out over his bottom lip as if he needed to signal his readiness and willingness in some way.

She pressed him deeper, his nose almost seeming to disappear into her folds, her scent enveloping him. There was nothing else left in Arctic's world, right then and there, but what the alicorns laid forth for him, his moans rising, muted, muffled, and still there. The acrid aroma of piss was a welcome companion in such circumstances as what had had to be the third load of seed shot from his nuts, which were only slightly smaller from having been milked in such quick succession. He was sensitive, too sensitive, and yet there was no escape from sensations crowding in from all sides, assaulting all his senses.

The taste of her cream mixing with piss, a delectable concoction that had him flushing even as he slurped it all up, reeking of them. The aroma clung to him, marking his muzzle, his coat, though there would be nothing more that he would more proudly wear, if given the choice. The feel of being sandwiched between their thickly muscled, dominant bodies, layered over with a feminine nuance of softness that did not hide their power in the slightest. Yes, that was how he liked it, his vision filled with the white of Daybreaker's legs and marehood, the winking folds tugging against his tongue as he brought her to orgasm after orgasm.

Finally, their moans filling the air, claiming him, dominating him, sent him spiralling deeper into blithering subservience than ever before - or, at least, that was how it felt every time to him. He was their slave, their pet, yet another load of cum pouring forth, the milking ripples of Nightmare Moon's throat pulsing around him.

There was no denying him as he gave over everything that he was to the alicorns and more.

Daybreaker, however, had a more devious nuance in store for him as Nightmare Moon set herself about draining his balls. Oh, that manner of water sports had been light, a little touch and a taste of the dirtiness that was to come for him, though she did break for a moment to release her bladder again. The slave pony moaned out loud as a hot stream of urine soaked his mane, streaming between his eyes and through his forelock, dirtying his coat in a yellow gleam that would soak in and set him up for all else that he was to do. He drank some, the little whore, though not even Daybreaker considered him to be in his right mind as he strained to press his muzzle to her cunt, letting her piss flow straight down his throat.

"Whore..."

He heard the word, but that was all he wanted to be, even as his head spun. He didn't know what had happened, not at first, but a dirty smog of her gases rolled forth. Her tail hole puckered and trembled as she let it loose, the sound cutting through the air, blasting him and dousing the slave in rancid essence. He gasped, eyes streaming, but he had to keep pleasing her, another load of cum leaving his nuts, revulsion making him squirm, yet the weakness that swept over him gave light to something else.

Submissiveness... Well, it ran deeper than pleasing mares orally. It ran deeper than staying in bondage for hours, solely to make his mistress happy. And that was just why Arctic was a pony pet, a slave to those that considered him such, a pissy pony, a toilet slut, everything and anything that others wanted to consider him and more. She broke wind again, stealing oxygen from him, the deep musk of the alicorn working its way all too easily into his fur, his mane, clinging to him like a second skin.

"Take it all, you fucking slave pony."

Nightmare Moon grunted her agreement, though her arms trembled around him, hardly able to hold him for too much longer, even as Daybreaker alternated between dousing him in the smoggy air from her backside, the reek cloying and clawing at his respiratory system, and pissing. It was more difficult to do both things at once with the devious accuracy that she wanted, head thrown back in passion against the ground, tongue hanging out with a wicked grin stretching her lips.

"Yesss..."

Yet the evil alicorn of darkness could not hold him up for much longer without pulling on her magic and, well, she had far better use for that. Arctic hung from her, his legs over her shoulders, like a dead weight as he struggled and gasped, fighting for air that was no longer fresh in the manner that he wanted to claim it. He wheezed as Nightmare Moon dropped him, though they had no concern over his safety or comfort in the way that he might have wanted them to think, all legs and arms sprawled while Daybreaker shoved him off her with a glowing burst of golden magic.

"Being more careful would not hurt, dear."

She hissed, tongue flickering out, treating Arctic to a touch of her anger, the alicorns facing off against one another. Yet there was, most thankfully, the lure of a stallion cock for them to take, his dick standing up firm and hard, though Nightmare Moon was slower than Daybreaker to claim it, regardless of how sloppy her inner thighs were with her juices. Daybreaker smirked as she impaled herself on that dick, Nightmare Moon's bloated stomach revealing just how much of Arctic's cum she had taken down her throat, though she still licked off her lips as if there was a drop more for her to savour.

"Oh, yesss..."

Daybreaker rode him as if he was nothing more than a living sex toy, Nightmare Moon squatting over his face. Arctic squealed breathlessly, though was still too dizzy and faint, the cell feeling as if it was tipping and jolting around him, off-balance and lying there helpless. He couldn't even get his hands up around Nightmare Moon's hips and arse to please her more, to rub and caress and worship her in the way that he knew that she adored.

His dick ached, but he didn't have to think about that, some of his nuts drained but still more loads to cum, his body working overtime to replace what had been lost. Arctic was not such a fool to think that milking him dry, in a pleasurable way, was what they wanted over and over again, however, too canny for that, as much as his gut ached to know what was planned for him. The flaming princess riding his cock threw her head back and moaned out her lust again and again for him, slamming down, resting on her hooves so that she could squat and gain the best leverage to ride his cock. It bulged up into her lower abdomen as she slammed down, yet he was thick enough to please her despite the differences in their heights, the alicorns so much larger than him even then.

He gasped, shocked back to Nightmare Moon as she could not merely content herself with slathering his tongue in her honey, the tartly sweet essence that flowed so freely from her pussy that it was as if there could be no end to it. Again and again, she humped down against his face, taking her orgasm at the same time as squirting her piss in his face, hosing him down, letting the thick stream paint him yellow. Her orgasmic fluids were nowhere near enough to make the piss pony anything other than what he was, a slut and a slave that revelled in the dirtiest of play, the acrid stench of urine clinging to his coat, seeping into his mane. No part of his head and neck remained dry and she laughed mockingly as she crushed her marehood to his lips, forcing him down and pinning him in place so that he had no choice.

No choice but to gulp down her piss, taking it down his throat. He gulped and swallowed so that he would not choke on it, yet Arctic did not even have the energy in him to tell himself that it was to please them, to serve them, that he did not truly enjoy it. It was vile in a way that made him, instinctively, want to squirm away from the sordid nature of it all, and yet he did not, his hands finding her thighs, straining to hold the too powerful alicorn down on him while her piss filled his belly.

"All of it, piss pony... Waste a fucking drop and there'll be Tartarus and all the monsters down there to pay for it."

He didn't know what that meant and neither did he want to, eyes closed, losing himself in the moment. It was better, in a way, to slip away, to forget, Nightmare Moon pissing down his throat, his throat burning with the reek of it, how cloying and thick her urine felt when it was so hot, taken straight from the source. Daybreaker was no better, riding his cock fervently, her mane whipping back and forth, her belly bloated from one load that he had not truly felt in his debasement.

The slave pony's nuts ached, he couldn't give anymore... Yet he was forced to. It did not matter to them that every orgasm pained him, that he wanted a different kind of release, only that he was there to please them in every way that they wanted him to. Daybreaker's belly swelled heavily as if she was pregnant, though he was not present for all of it, blinking as the scene changed before his eyes. One moment he was gulping down piss, his stomach heaving and roiling with the sheer volume in his belly, and the next he was sucking on the fat nub of Nightmare Moon's clit, bringing her off again and again as if that had been what he'd done the whole time.

Time had no meaning down in the dungeon as they howled, riding him with feral cries that he would never have heard from Mistress Shy. They were raw and, in a way, regal, yet still not in the same way that Celestia and Luna were. There would always be a difference to the evil alicorns, a brokenness to them that came through in their willingness to explore debauchery to an extreme that no one else was. Between all four alicorns, good and evil, indeed, they led the way.

Daybreaker took six loads of cum into her womb, depleting Arctic's natural production while Nightmare Moon panted before her, tits heaving, the huge mounds of them begging attention. With her womb massively inflated with cum, his cock crammed up as deep inside her as it could possibly go, her orgasm yet again painted his cock with her cream. Her delight slopped forth messily, marking his dick, his thighs, even her inner thighs too, the drooling mess of it something that would not be stopped even as she kept his seed inside her.

Still... It was too clean, too pristine, all in a way that oh so very much was not in keeping with what they had the slave pony there for. To be a slave to them, a piss pony slut, was all well and good but Nightmare Moon took her leave and liberty of him, pressing her tail hole to his lips and forcing it between. There was no denying her as he squirmed and weakly fought, arms falling out against the ground, a blast of rancid air flowing into his mouth. He choked on it, hacking and gagging, but he could do what he liked under her, as far as she was concerned, as he would get the full dose of it whether he wanted it or not.

A toilet slave, nothing more or less to them. Frankly, they could make him be whatever it was that they wanted, whatever they craved, grinding onto him, Daybreaker keeping his loads in her womb while she released her bladder too. Other than his head and neck, perhaps a little of his chest, he had not been duly marked, after all, and a hot and ready stream of piss gushing down around his crotch, staining his sheath, swilling around the base as gravity took it, was just what was needed. Between them, Arctic twitched weakly, feeling as if he was fighting with all his might, overcome with the strange sensation of having wet himself even as his cock and balls screamed for relief.

But he was there and there was no escape as he moaned into Nightmare Moon's backside, taking the reek of her stench down into his belly. He had to gulp it, though gulping air felt wrong, going down the wrong pipe, grunting and heaving, the strain in his stomach burning through with a sharp pain. The pain should have been grounding but it sent his mind spiralling even more, enveloped in the reek of her, piss coating his fur, soaking into his lower abdomen, the paleness of his coat there, once again, stained with stark, yellow piss.

"He loves it."

"He's such a slut."

"And, oh, what we have in store for you..."

To be continued in part two...