This was made using a local install of Reforge for Stable Diffusion using StableMond: https://huggingface.co/Xeno443 . I'd recommend any or all of the 'Mond models, they're all some of the best furry SDXL models.

For the upload Tail Tagger was used to assist in tagging: https://github.com/renfald/tail-tagger . Along with the JPT-3 for AI assisted tags: https://huggingface.co/RedRocket/JTP-3/tree/main/models?not-for-all-audiences=true

The chains rattled like warning bells as King Sombra strode through the grand halls of his Crystal Palace, his massive shadow-body casting a permanent eclipse over the once-bright Equestria. He was a god now. The tyrant of a thousand years ago? Gone. Replaced by a dark stallion who fucked everything that moved and owned everything that didn’t. His cock—thick as a stallion’s thigh, veined like black lightning, perpetually half-hard and throbbing—hung heavy between his legs, swinging with every arrogant step. The head was fat and flaring, a deep pink-purple that leaked thick, pearly precum like it had its own gravity. Below it, his balls were obscene: two heavy, low-hanging orbs the size of melons, each the size of a pony’s head, churning with gallons of thick, salty seed that could knock a mare out if he ever came too hard. They slapped together with a wet, meaty sound that made every mare in his harem flinch and wet themselves.

“Move your worthless asses,” he growled, voice like grinding obsidian. His spiked crown caught the moonlight through the high windows, and his red eyes burned with pure male supremacy. “I’m gonna fuck all three of you princess cunts tonight. And tomorrow. And the day after that. You’re my daily cum-rags now.”

The throne room was a shrine to his domination. Black crystal pillars rose like spears. The massive red throne—his throne—sat at the center, glowing faintly with the dark magic that bound Equestria to his cock. He dropped his spiked armor with a clang, letting it clatter to the stone floor. His naked body was a masterpiece of raw, grotesque power: eight feet of muscle carved from pure shadow and muscle, abs like boulders, pecs wider than a pony’s waist, arms thick enough to snap a unicorn’s neck. His mane hung in wild black spikes, horns curling back like a crown of obsidian. Between his legs, his cock twitched, slapping against his thigh with a meaty *thwack*.

Princess Celestia was first. The sun princess had once ruled the skies. Now she was naked on her knees in front of him, her long multicolored mane spilling like liquid sunlight, wings trembling. Her white coat was already shiny with sweat and drool. She looked up at him with those wise, motherly eyes, but all she saw was a monster now.

“Beg,” Sombra ordered, yanking the leash attached to her black collar. The metal bit into her throat.

Celestia’s voice cracked, but she obeyed. “Y-yes, my dark king… please use your biggest whore princess. Fill me until I can’t walk.”

He laughed, a deep, cruel rumble. “There it is. That’s my good little sun-cunt.” His hoof slammed down on the back of her head, forcing her face straight into his groin. The heat hit her like a furnace. The scent of musk and raw male was overwhelming. Her nose pressed against the thick root of his cock, right where the heavy balls hung like pendulums.

Sombra didn’t wait. He grabbed her mane—still that signature pink-and-purple-and-green glory—and yanked her head forward, smothering her face in one brutal thrust. Her lips stretched wide around the fat head, unable to even close. He face-fucked her with zero mercy, hips snapping forward like a piston. *Slap-slap-slap.* Wet, obscene sounds filled the throne room. Drool poured from the corners of her mouth, dripping onto her massive breasts.

“Fuck, look at that,” he sneered, eyes locked on the way her throat bulged with every inch. “My rival’s face getting ruined by shadow dick. Bet you never thought the sun princess would be a throat-hole for the worst stallion who ever lived.” He pulled out just long enough to slap the heavy shaft against her cheek, smearing precum across her lips. “Open up, princess. Take every fucking inch.”

Celestia gagged, eyes watering, but she tried. Her tongue flicked out, desperate for even a drop. Sombra laughed harder and drove forward again, forcing the entire head past her lips. Her jaw unhinged. He didn’t stop. He bottomed out in her throat, balls slapping wetly against her chin, and held it there, grinding deep.

“Relax your fucking throat, bitch,” he snarled, hand fisting her mane tighter. “This is what your goddess body was made for. To worship the king who owns you now.”

He started thrusting in earnest—long, punishing strokes that made her head bob like a doll. Spit flew everywhere. Celestia’s eyes rolled back, mascara running in black rivers down her cheeks. Her own marehood was dripping down her thighs, humiliated and untouched. She was a slut now. The sun princess. His personal cum-dump.

Behind her, Cadance was already crawling forward on all fours, pink coat glistening, her own horn still sparkling with old love magic that had long since been twisted into submission. Her light-purple eyes were glassy with lust and fear and devotion. “Please, my dark king,” she whimpered, pressing her face into Sombra’s side. “Use your princess of love. Fill me. Breed me. Make me your favorite hole.”

“Shut the fuck up,” Sombra growled without looking back. He kept face-fucking Celestia, one hand still fisting her mane, the other reaching back to slap Cadance’s face hard enough to make her moan. “You’re next, you pink cunt. But first I’m gonna drown this sun-bitch in my load.”

He pulled out of Celestia’s mouth with a wet *pop*, strings of thick saliva connecting her lips to his throbbing cock. It was a monstrous sight—her face flushed, lips swollen, eyes crossed. He grabbed her by the hips and flipped her onto her back on the throne steps, legs spread wide. Without ceremony he mounted her, the fat head of his cock sliding along her dripping folds.

Celestia screamed. “Oh my gods—too big—!”

“Too big?” Sombra laughed, slamming his hips forward in one savage thrust. The head popped inside her. “This is nothing, princess. Your body was made for stretching.” He didn’t ease in. He drove straight to the hilt, balls-deep, until his heavy orbs pressed against her ass. Celestia’s back arched so hard her wings flapped uselessly. He was splitting her in half. The sheer girth burned like fire.

“Fuuuuck!” she wailed, nails digging into his thighs. But she was clenching around him like a vice, betraying how much she loved it.

Sombra didn’t give her time to adjust. He started pounding her like an animal—deep, brutal strokes that made the throne shake. Each thrust slammed her cervix. Her tits bounced wildly. He reached down and pinched her nipples, twisting hard.

“Take it, sun-whore. This is what happens when you lose. You’re my daily fucktoy now. Every single day I’m coming in these princess holes until your bellies are bloated with my seed.”

Cadance was already climbing up the throne steps, desperate. Sombra’s balls slapped rhythmically against the floor as he fucked Celestia senseless. He reached down, grabbed the pink alicorn by the mane, and yanked her forward until her face was right next to where he was buried.

“Kiss your rival while I breed her,” he ordered.

Cadance obeyed instantly, lips finding Celestia’s in a sloppy, desperate kiss while Sombra’s cock pistoned between them. The wet sounds were deafening. Saliva and precum mixed in a disgusting puddle on the throne.

Luna was next. The moon princess crawled up on her hands and knees, blue mane spilling like ink, her own cutie mark glowing faintly with shame. She pressed her cheek to Sombra’s thick thigh, sniffing his heavy musk.

“On your back, bitch,” he told her. “I want to see your face when I ruin you.”

Luna complied, spreading her legs. Sombra pulled out of Celestia with a wet *schlorp*, her hole gaping and leaking his thick white seed in thick ropes. He lined up with Luna’s entrance and thrust in hard. The blue alicorn’s eyes rolled back so far only the whites showed.

“F-fuck—!” she gasped, voice breaking.

“Language, moon-cunt,” Sombra sneered, starting to fuck her just as brutally. “You’re no better than your sister. Just another princess whore on my cock.” He grabbed her horns—still that elegant crown—and used them like handles to slam her down onto his shaft. The slap of his heavy balls against her ass echoed through the palace. Every thrust made her tits jiggle. Her pussy gushed around him, unable to hold back the flood of her own arousal.

He rotated them like a machine. Celestia went next—back on her knees, mouth open, tongue out, begging for the return of his cock. Sombra fed it to her again, fucking her face while Luna and Cadance licked his balls and the underside of his shaft in sloppy, adoring worship. Then he pulled out and fucked Cadance against the throne, her legs wrapped around his waist as he pounded her into the cushions.

Hours blurred. The princesses were wrecked. Celestia had a throat full of bulge. Luna’s belly was visibly swollen. Cadance’s hips were bruised from how hard he gripped them. Their holes were gaping, leaking Sombra’s cum in steady streams. They were covered in sweat, drool, and his seed, panting like broken toys.

But he wasn’t finished.

He flipped Celestia onto her stomach, face down on the throne, ass up. “Ass up, princess. I’m gonna fuck you like the tyrant you used to be. You’re gonna take every inch in your tight little hole.”

Celestia whimpered, but lifted her hips. Sombra spat on her ass, then pushed the fat head against her puckered ring. He pushed. Slowly at first, then with a wet *pop* he breached her. She screamed into the cushions.

“Shhh,” he cooed mockingly, slamming home balls-deep. “This is what you get for challenging the king. Your virgin ass is now ruined by shadow cock. Bet the sun never even touched you this deep, did it?”

He started pounding her ass with savage, animalistic strokes. The wet *schlick-schlick* of lube and his own precum mixed with her screams. Cadance and Luna crawled under her, licking the place where his cock disappeared into her ass, kissing the stretched ring while Sombra railed her.

“Say it,” he growled, reaching around to pinch her clit. “Say you’re just a hole now.”

“I—I’m just a hole!” Celestia sobbed, cumming hard around his cock. “Your hole, my dark king! Please breed me—fill me—ruin me forever!”

Sombra roared and exploded. His balls drew up tight. He unloaded in thick, powerful jets—rope after rope of the thickest, warmest seed. It flooded her ass, overflowing around his shaft in creamy white rivers that dripped down her thighs and onto the floor. He kept cumming, pumping her full until her belly bulged noticeably.

The other two princesses whimpered in envy, already stroking their own bellies, imagining their turn.

But that was just the beginning.

Sombra stood up, his monstrous cock still rock-hard and glistening with spit and cum, the biggest balls in the world swinging heavily between his legs. He looked down at the three wrecked, cum-drenched alicorn princesses—his daily harem—and grinned with pure, cruel satisfaction.

“Clean yourselves up, bitches,” he commanded, kicking one of their heads gently. “Tomorrow I want you all back on your knees the second I wake up. And the day after that. Every single fucking day. I’m never stopping this. I’m never stopping fucking you princess cunts until Equestria belongs to my cock.”

He turned and walked away, leaving them in a pile of cum and broken submission, their bodies already aching for the next brutal round.

And the sun, the moon, and the heart had all lost. Forever.