Twilight moved behind Celestia, massaging her beautiful butt slowly again as her horn glowed and she cast another spell on herself. She clenched her teeth as the spell took hold, extending a plump sheath between her hind legs. The process was quite painful, and the first few moments felt like her balls were being squeezed. Once everything settled though, she chrred and waggled her hips, feeling her new bits sway beneath her.

"Are you ready for me to rape the virginity out of you, my faithful fuck slave?" Twilight said as she leaned forward to take one last whiff of Celestia's bits before beginning. Twilight's own bits were swelling rapidly, spilling from its sheath and throbbing in anticipation.

"Please don't..." Celestia said, sounding as if she were holding in tears.

Twilight pushed her head up over Celestia's behind, pushing herself up atop her, chest sliding against her back as Twilight positioned herself. She gripped Celestia firmly about her thighs, wrapping her hooves around and pulling herself higher. Soon enough, her hips came into position, her now rock hard rape stick poking its curious head against Celestia's nethers. It poked around a bit awkwardly before finally nestling its head against Celestia's entrance.

"Please... don't!" Celestia sobbed, breaking down more than when she was getting branded and pierced.

"Goodness!" said Twilight, "Your purity must be very important to you." She gave the shaft a teasing push, just enough to feel the lips stretch against her tip, ready to pop. "You know technically you're stealing my virginity too, since I've never used a cock on anypony."

"Please Twilight," cried Celestia, "Anything else, you can torture me in any other way. Just please leave that."

"Tsk," said Twilight, "You're just making it more fun for me, you know that right? Get ready, now. Stealing your virginity in 10... 9... 8..."

"Twilight please, I'm begging you!"

Twilight counted slowly, feeling Celestia's futile squirms grow more and more desperate. "3.. 2.. 1...!"

Twilight pressed her hips forward, feeling the rapid stretch and then pop of Celestia's wet cunny around her shaft. Moaning at the sudden heat and pressure around her, she shoved deep, letting juice and blood trickle down her base as she plunged half of her thick cock inside the untouched depths. Celestia let out a pitiful wail as her pretty pink princess pussy popped its cherry, stolen by one she had trusted more than anyone else.

Twilight's moan competed with the wailing and sobbing as she drew her hips back and shoved forward again. Not giving Celestia any time to adjust, she immediately began to hammer her thrusts into her, going ball deep within several thrusts and then smacking her belly hard against Celestia's forcibly upturned tail, heavy balls swinging to smack against Celestia's breasts.

Twilight couldn't believe how wonderful it felt to have her brand new shaft stuffed inside the hot, tight passage, plunging repeatedly into her, feeling her tunnel contract and squeeze in discontent at the invasion. Celestia's struggling and sobbing added even more to the experience, a feeling of dominance filling Twilight as she slammed harder still. Experiencing rape from the giving end... she had a lot more understanding of why it happened now. But she wasn't just getting a lay. She was plowing the cunt that every stallion in the realm would have killed to break in.

"Fuck yes!" Twilight rolled her eyes back as she nearly lost her balance from how hard she was thrusting, "That's right, fuck your purity! You're nothing but my cock sock now, you slut!"

Pulling against the chain that connected to Celestia's collar, Twilight forced the alicorn to lean her head back uncomfortably so she could reach her eyes. She ran her tongue across Celestia's face, enjoying the tears of her former mentor, now her slave. Her will was breaking, and it was delicious.

Twilight couldn't hold herself very long in this intensity. Not being used to wielding such a weapon, her climax hit her full force without warning, wrecking through her body. She shook violently, clinging to Celestia's flanks to keep from falling off, and forcing herself to continue thrusting as her fuck spire jetted stream after stream of magical seed into Celestia's recently virgin cunt. She continued to thrust, packing her seed deeper as Celestia let out another wail of misery, then finally started to come to a rest.

It took her a while to come down fully, her hips slowly thrusting for a few minutes longer before she finally pulled back fully, allowing her cock to swing free and Celestia's cunt to evacuate some of her seed down the white alicorn's thighs. Celestia was completely broken for the moment, still weeping, and in no danger of stopping any time soon.

Twilight turned to Luna, who was looking away from her, as much as she could while chained, probably trying to give Celestia some semblance of dignity by not watching. She looked back round when she heard Twilight's hoofsteps clopping towards her, her forehead creased and eyes pinched in anger.

"I will hurt you for that," said Luna, "If it is the last thing I ever do."

Twilight chuckled, "Careful now, we don't want to start talking about the last things you'll ever do. Let's be more positive, shall we?"

Twilight leaned down and took another breath of fresh pussy, and felt her shaft begin to stir again. She wasted no time in pushing her head up onto Luna, running her tongue up along Luna's spine as she slowly mounted atop her. She felt Luna's body tense, laying perfectly still as if trying to deny Twilight some pleasure, but Luna couldn't hide that she was shivering. Twilight took a moment to just rub her front hooves over the sweaty, trembling body, feeling her tense as she dragged over the still fresh brands.

"So are you going to tell me who you've fucked?" asked Twilight as she rubbed the front of her rock hard shaft against Luna's behind and slowly moved her tip to her entrance, "You know if you want to be boring, I could go find something larger to fuck your sobbing sister."

"I do not, in reality," Luna murmured, then tensed up and whined as she felt Twilight pushing against her.

Twilight popped into Luna's sleek cunt, feeling juice drool down her shaft as she pushed in. Within a few thrusts, her belly impacted Luna's behind, and Twilight reached her hooves around the dark alicorn's flanks, rubbing them against Luna's pierced nipples to make sure she didn't go without pain.

"So." said Twilight between groans as she started to thrust heavily, "Not in reality... you fuck ponies in their dreams... and it affects you in reality... that's kinky. I'm gonna call you dream slut now."

Luna grunted as Twilight's pace quickened, more in control of her thrusting now, rotating her hips with smooth mechanical motions, balls swinging below drooling with a mixture of Celestia and Luna's cunt sap. She felt her flare drag along Luna's silky insides, which tensed and milked whether Luna wanted or not.

Luna was also turning a nice shade of red with all the assumptions Twilight was making, even giving a bit of a nod of admission lest Twilight make good on her threat towards Celestia. Twilight grinned wider and leaned her head forward, grasping one of Luna's ears in her muzzle and biting down more than playfully.

"Mmm, my slutty little rape toy," Twilight pondered, "You know, since I have your magic now, I suppose I could invade someone's dreams. Oh that might be FUN. Oh or Cadences' power... oh I could do so much with that. I could make random ponies just fuck, that'd be awesome."

Just the thought of it drove Twilight wild, and she felt her orgasm coming quickly. She didn't try to drag it out, just pounding as hard as she could, dragging her hooves across Luna's flanks again and twisting both her breasts hard with her magic, pulling at her mane now with her teeth. She groaned loudly as her second orgasm rocked through her body, shaft throbbing as she spewed her goo deep within.

She continued to thrust slowly for several more minutes once again, just enjoying the feel of the slightly spasming tunnel around her shaft, laying against Luna and relaxing herself after a good first session with her new pets.

So distracted was she that Twilight didn't notice when Luna and Celestia's magic worked together to pull one of the chains down from the ceiling. It fell against Twilight hard, whipping against her horn and causing her to stumble, pulling out of Luna with a lewd slurp. The chains then wound about her neck, squeezing hard. Twilight was without breath for a few seconds.

A few seconds was all it took her to recover from a strike to the horn however. Every loose chain in the dungeon was suddenly aglow with Twilight's power, ripping out from the walls and moving towards the two captives. Suddenly Celestia and Luna were being whipped by thick rusty chains from all sides as loose stones slammed into them as well, bludgeoning them about their heads. Needless to say, the chains quickly loosened around Twilight's neck and fell to the floor.

"WHAT did I TELL you would happen if you kept this up!" screamed Twilight loud enough to echo through the dungeon, "That's IT!"

Twilight staggered over to her cart, more from anger than from actual injury, and pulled a hacksaw from within. She had brought it in case she needed to saw through chains, but it would work just as good for her purposes with the aid of a strengthening and sharpening spell. Her horn glowed brightly, eyes turning bright green for a moment. The saw matching the glow as it formed into a diamond razor edge.

"You thought I wouldn't do this," said Twilight, "Well I'm calling your bluff. You are NOTHING but fuck slaves any more. This is no longer an imprisonment, this is now permanent."

"No you can't be serious!" cried out Luna.

"No no more.... please no more..." Celestia was still crying, shaking her head, "I'll be good I'll be good!"

"We'll both be good!" screamed Luna, "You can't... no stop it!"

Twilight ignored their pleas and the hacksaw moved to Celestia's horn. Even with the strongest spell implementing the saw, this was going to take a long time. It was going to be an agonizing time for Celestia, as the saw pushed against the base of her horn and began to drag back and forth, firmly sawing, taking off tiny shards of alicorn horn with each pass.

"Oh it's giving easier than I thought," said Twilight, "It must be because you're so low on energy and well.. you know... talentless."

Celestia clenched her teeth so hard that blood drooled from one corner of her muzzle, then screamed every bit as loudly as she had when her virginity was taken. It was a bit funny to Twilight that the two seemed to put Celestia through an equal amount of distress. Luna's screams and pleas were drowned out by Celestia's agonizing wails as her horn chipped away, blood drooling down her head as each tiny nerve was severed.

Twilight felt her cock grow hard again at the sound of Celestia's screams, not to mention her pussy was sopping wet, drooling fuck juice down the back of her balls and into a small puddle between her hind hooves. She sat back on her haunches as she worked the saw with her magic, watching Celestia scream herself hoarse, masturbating furiously to the racket.

About half way through it occurred to Twilight that she could fuck the former princess as she was doing this, and strolled around to her behind. Continuing to saw, she pulled herself up onto the defenseless hindquarters, this time pressing her still moist tip against Celestia's ass. She shoved forward, immediately loosing a flurry of thrusts as she took Celestia's anal virginity as well.

The clenching and throbbing from within was incredible. The more Celestia hurt, the better her ass felt, and Twilight found herself pushed over the edge just as Celestia's horn came off with a final snap, blood pouring down her face and drenching her beautiful white fur. Twilight pounded her ass for another minute, pumping hot pony spunk into her behind, before finally drawing out. She tossed Celestia's horn into the cart, then turned to Luna.

Luna's eyes grew wide, slowly shaking her head as tears ran down her face, finally too terrified to talk back at all. It was delicious. Twilight savored the look of horror on Luna's face as she slowly moved the saw over to her horn, holding her head steady as she began to saw.

"These will make quite the trophies," Twilight commented as she moved behind Luna.

She pulled herself up against Luna's behind, not wanting to let her be left out of some anal as well. Twilight's shaft wasn't quite rock hard anymore after three orgasms, but she forced it into Luna's behind all the same. The slutty cock puppet of an alicorn was much easier to get into than Celestia, and soon Twilight was happily plunging herself into the moon door as she happily sawed at Luna's horn.

Luna's behind was every bit as clenchy on the inside. It squeezed in anguish, trying to force Twilight's erection from its passage and only serving to make her fully hard once again. She pounded Luna's behind, her balls smacking against the already used cunt as she hammered away.

She easily finished before Luna's horn was done, cramming cream into Luna's intestines, packing it in with more thrusts, then working into a slower motion to afterglow as she continued to saw. Luna's ass easily kept her hard enough to stay inside with it's convulsions, and Luna practically came from the pain when her horn finally broke free, juice slobbering down Twiilight's ballsack and driving her wild once again.

Exhausted, Twilight pulled her shaft free and tossed Luna's horn into the bin. She'd have them mounted on the wall or put in a display case for all to see. She'd have to get Cadences too so she'd have a matched set, which reminded her, she needed to visit her brother and Cadence soon.