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Gatatog Uvenk wasn’t like other Krogan.

It was something Shepard had picked up on almost immediately upon seeing how he folded to Wrex’s beatings and threats. Uvenk was a coward. Plain and simple. Shepard could smell a coward from a lightyear or two away, and they always made her nose curl. It was fine to be a coward when you were a child or an innocent civilian or something, but when you were a Krogan warlord spewing off constantly about ‘honor’ and ‘tradition’ it was just… pathetic. Not to mention hypocritical. And Shepard hated hypocrites even more than she hated cowards.

And Uvenk was both.

“Regardless of his accomplishments in battle, your ‘Grunt’ is no more Krogan than you are.” Uvenk waved a hand at Shepard, “He is tank-bred. A mere pretender.”

“A ‘pretend Krogan’, huh?” Shepard leaned back against the crumbling wall of Uvenk’s inner sanctum, “Must be like looking in a mirror.”

“You have a sharp tongue, human.” Uvenk sneered, “But a frail species like yours could never hope to back it up. The human are like the Asari, just without biotics. And shorter lived. You’re just skinny bags of water.”

“If you’re so sure, why don’t we just settle it with a fight? You and me. A Krogan warlord versus a ‘skinny bag of water’.” Shepard shrugged, “I win, Grunt becomes a full-fledged Krogan. You win, we leave. I’ll even throw in a good word about you to Wrex.”

Uvenk snorted a short laugh, “No human would ever dare fight a Krogan in single combat. Your words are as hollow as your head.”

“Scared?” Shepard teased, an edge in her voice. Honestly, she knew Uvenk was scared. Which was funny, since she wasn’t 100% sure she could actually beat him. Even if he was pathetic by Krogan standards, he was still a Krogan. She was well-trained and almost impossibly fit, but she was still human. Uvenk had a good few hundred pounds on her, and that made a big difference.

Still, she could smell something on him. Fear? Apprehension? He didn’t want to fight her. 

Probably because they could both tell she actually had a chance at winning, one way or another. Uvenk was scared of her. She had a reputation. And honestly, sometimes fear was all you needed to win a fight, no matter the size differential. All Shepard had to do was scare him a little more and she’d win the mind game before fists were even thrown. From there, it would just be a matter of threatening with humiliation more than anything. A Krogan that could barely take a human in a one-on-one fight would probably get laughed off Tuchanka.

“What do I have to be scared of, human?” Uvenk dismissed the claim.

“That’s what I’m wondering.” Shepard prodded, “So why not? I thought you Krogan lo~ved a good fight.”

“I will not waste my time fighting such a weak creature.” Uvenk spoke stiffly, his voice lacking the hard-edged menace of most Krogan. Shepard had to imagine that - were Uvenk a human - he’d probably be some pencil-pushing bureaucrat like Udina. He didn’t feel like a warrior, for all his blustering about ‘tradition’ and ‘power’ and whatever.

“Then why not fight Grunt, instead?” Shepard raised an eyebrow.

She saw a flicker of fear in Uvenk’s eyes. He may have been a fool, but he still recognized Grunt’s strength. Grunt was as perfect a Krogan as she’d ever seen, and that meant he could practically punch through power armor with his bare hands. If Uvenk was scared of Shepard, he was probably terrified of Grunt.

“We have our traditions.” Uvenk’s voice held an almost undetectable quaver, “Besides, a tank-bred abomination like your ‘Grunt’ is no more Krogan than-”

“-than I am. You’ve said that already.” Shepard rolled her eyes.

“I refuse to allow something like that - some artificial lab experiment - to undertake our ancient rites of passage! If Wrex tries to let him, he will be met with severe opposition from the Gatatog clan! Of that he can be sure.”

Shepard wanted to puke.

This guy felt about as ‘Krogan’ as a vegetarian salad.

“You’d really go to war over this?” Shepard was genuinely curious.

“He is a perversion of our species! We cannot allow his genes to proliferate! He is tank-bred! Weak! A mistake! He-!”

“‘Tank-bred’, huh?” Shepard’s hips rocked to the side as she studied the armor-plated toad, “And what would you know about good breeding, exactly?”

Uvenk glowered, thick lips twisting into a scowl, “I have sired three children of my own. My genes speak for themselves.”

Great… Shepard rolled her eyes, Little ‘mini-Uvenks’ are running around…

“Surprised you have the quads for it, if you’re not even willing to fight a human.”

“You question my manhood?” Uvenk growled.

“If that’s what it takes to get what I want? Yeah.” Shepard’s voice was low and cool, carrying the promise of danger.

“Krogan virility is second to none in the galaxy. If anyone should be in question here, human, it is your tank-bred disease!” Uvenk stepped closer, his voice dropping, “My seed is potent enough to impregnate a thousand fertile wombs! My lineage will be secured long after this ‘Grunt’ has disappeared into the far reaches of the galaxy.”

“Big talk.” Shepard held her ground even as Uvenk loomed in front of her, “Why not really show some quads and fight me?”

“Do you truly think you can take me?” Uvenk glared down at her.

“I’ve taken bigger.”

“You should know your place, human.”

“Maybe you can show me.” Shepard cocked an eyebrow at him.

“Have you ever taken a Krogan before?”

“In a straight fist-fight?” Shepard narrowed her eyes, which glittered with amusement, “No. But, I’ve killed more of your kind than I can count.”

“And I’ve snapped more human necks than I can remember.” Uvenk countered, still not quite able to summon up the air of intimidation he no-doubt wanted.

“So what’s stopping you, then?” Shepard taunted.

Uvenk’s hand twitched.

“I have-” he swung in mid-sentence, trying to gain the element of surprise. Still, Shepard’s reflexes were fast enough to let her dodge to the side, causing his fist to collide with the metal wall behind her. It connected with a loud ‘TWUNG’, Uvenk yowling in pain as he pulled back his stinging hand. Shepard was already on him before he could even catch himself, though, her hand swinging up into his abdomen to brutally connect with his relatively soft underside. It knocked the wind out of him, Uvenk staggering back as Shepard caught him across the jaw. His head snapped to the side, the Commander following up with a barrage of well-placed, perfectly executed strikes that kept the Krogan from recovering. Krogan couldn’t really experience pain the way other races could, but that didn’t mean you couldn’t kick their ass. 

Targeting the legs, rocking his brain, hitting organs; it was all enough to-

“Stop! Stop! I yield!” Uvenk pleaded, his back hitting the large desk he had on the opposite end of the room. Shepard stopped immediately, still keeping her arms raised ever so slightly in case he tried something.

“That was easy.” Shepard noted, dryly, “You really call yourself a Krogan? I wasn’t even warmed up yet.”

“Attacking me in my office like that was a cowardly move.”

“You threw the first punch, jackass.” Shepard spat.

“You misunderstood my actions!” Uvenk quickly snapped, “You attacked me! Don’t expect this to end quietly! I will never accept Grunt as one of us now! Not now and not ever! He’s clearly nothing more than corrupt rabble, like yourself!”

“You really are a pussy, aren’t you?” Shepard sneered.

“Do not insult my honor, human!” Uvenk glowered at her, “Your species is too weak to fight fairly! You attack without warning! It is shameful!” Shepard rolled her eyes, “You are no better than that tank-bred filth that-!”

“You keep going on and on about ‘tank-bred’ this and ‘tank-bred’ that.” Shepard sighed, wearily, “Is ‘breeding’ really that important to you?”

“Breeding is everything to the Krogan!” Uvenk insisted, “It is how we sustain our species! It is how we grow stronger! It is how we form bonds! Breeding healthy females is one of the most important aspects of Krogan life! You-!” he glared at her, “- a human - would know nothing of it!”

“If breeding’s so important, why don’t we see if Wrex would be willing to trade an Urdnot female for your cooperation?”

“Clan Urdnot’s females are weak.” Uvenk spat, “Or infertile. Sewing my seed with one of them would be nothing but hollow. There would be nothing to gain from it. Not even the satisfaction of humiliating my…” his voice trailed off “my enemy…”

His eyes suddenly locked onto Shepard.

Hers narrowed.

“What’s that look for?” she sneered.

“You question my manhood?” Uvenk asked.

“Sure.” Shepard flicked a glance down between his legs, “Whether or not it even exists.”

“Then why not test it?” Uvenk stared at her, Shepard’s brow furrowing, “Among Krogan, sometimes mates are given up simply to humiliate their partners. Conquering another’s woman is almost as good as killing them.”

“Pretty sure we already established you can’t ‘conquer’ me.” Shepard looked him up and down, unimpressed.

“A different kind of ‘conquest’.”

Shepard’s brow furrowed, “Oh?”

“Do it, and I will allow Grunt to be tested. If he passes, he will be Krogan.”

“And… what?” Shepard scoffed, “You just wanna get your quads off?”

“You will learn why breeding is so important to the Krogan.”

Shepard gave him another quick once-over. Honestly, Uvenk was about the last Krogan she ever wanted to sleep with, but if that was all it took to get what she wanted… she could probably work something out. Besides, if Uvenk fucked at all like he fought, he’d probably last three strokes and only measure about four inches. It might be another good chance to humiliate him.

It wasn’t like Shepard hadn’t used her feminine wiles to get what she wanted before, she was just a bit surprised she’d end up attracting a Krogan of all things. Then again, she got the sense Uvenk was mostly interested in trying to ‘humiliate’ her or something.

Good luck with that, she bit back a smirk, “Alright.” she held out a hand, which Uvenk took, “But if you go back on your word,” she yanked him in a little closer, “that beating from before’s gonna look like a walk in the park.”

“Don’t threaten me, human.” Uvenk growled, “I have all the power here. Now be a good mate and allow me to subjugate you.”

“Tch.” Shepard scoffed, “Good luck with that. I don’t break that easi-”

“OOOOOooooohohomyG~OD!” Shepard groaned into the desk as she was violently put through it. Uvenk held her hips in his powerful hands, clapping into her with all the force of a sledgehammer as he stuffed her with almost more cock than she could handle. Honestly, she had a feeling Uvenk was small for a Krogan, but that didn’t matter when he was still packing eight inches of relentlessly thick steel down there. It filled her cunt so fully Shepard probably could’ve wept, but instead she just held on and let him turn her brain to mush. 

His technique was monotonous, his thrusts were mechanical, and it was about as passionate as paperwork, but none of that mattered. His fat, hard head kept striking against her womb and making it quiver, and each blow landed with such a perfect rhythm she couldn’t stand it. Getting her back blown out by Uvenk of all people was humiliating, but honestly she was glad she could at least enjoy it. 

No! She tried to tell herself, gritting her teeth and bowing her head, Not him! You can’t let HIM-!

She realized her body had begun searching for release again subconsciously. A little flick of her hips, a little tightening of her walls, an extra massage of his length; she was trying to get off. She wanted to. She wanted that sweet, sweet release that that pounding Krogan cock could give her if she was just willing to let it. She shuddered as she felt a wave of pure pleasure wash over her body, almost disturbed by how thoroughly satisfying it was.

“You are enjoying this.” Uvenk noted, a hint of smug satisfaction in his voice.

“Shut up!” Shepard’s voice was ragged, torn to shreds by her pure, breathless need.

“To think you would be this easy to break, human.” he muttered, still pounding into her from behind, “Do you still question my manhood?”

“Rgh! Y-yes!” Shepard snarled.

“Hmm…” Uvenk rumbled, “How much longer will you be able to lie?”

Shepard shuddered, knowing the truth would get out eventually. Just feeling the Krogan’s heavy, thick, cum-filled balls smack against her lower lips was driving her insane, and that was without getting stretched to her limit by his turgid cock. His head hammered against her weak spot with such mind-numbing precision she felt close to passing out, and yet the blood coursing through her veins was keeping her on the edge of her fucking seat. The feeling of a pair of strong hands on her hips holding her down as she got thoroughly bred and broken ignited that long-buried feminine desire to just be owned.

Her eyes rolled back.

God, she just wanted this cock to own her and make her-

Shepard’s heart plummeted as she realized she was slipping. Suddenly, she was about to cum, release barreling towards her on an unstoppable path. She clutched the desk, tightened, curled up, grit her teeth, and braced for impact as Uvenk kept pounding away like a fucking machine.

“Are you already experiencing a climax?” Uvenk asked, “Human women cum much more easily than Krogan. Or perhaps you are just enjoying this that much.”

“Fuck off!” Shepard snarled, “You-! Y-you-! Ah…”

The orgasm grabbed her brain and squeezed, Uvenk making sure to deliciously wring it out of her with strike after strike aimed directly at her womb. She felt muscle contract and tighten, then melt, as her pussy clenched and squeezed around him and her cervix started dropping. It made her pussy slightly shallower, but Uvenk didn’t seem to care. He kept pounding away with the same dogged determination as ever, even as Shepard found herself momentarily blacking out from the sheer intensity of it.

“I think I’ll cum soon, too.” Uvenk muttered.

Shepard finished soaking in the last of the orgasm, the massive dick stabbing her brain once again knocking her off her feet and sending her right back on the defensive. She could detect a slight change in Uvenk’s thrusting; a sign he was probably about to cum. Shepard braced herself, still tingly from the last orgasm and certain that another one wasn’t far away.

“Not… not…”

She fell apart for a second as she lapped up shot after shot, momentarily dumbfounded by how loud the clap of hips was. As soon as she could, though, she snapped out of it and growled.

“Not inside!”

“Quiet, human.” Uvenk grunted, “You wanted a taste of true Krogan breeding, didn’t you?”

Shepard’s stomach twisted. Not like she was worried about getting pregnant, but the idea of getting a bucket of thick, alien cum poured in her womb was still fucking gross. She had no doubt that Krogan loads were thick, full, and potent, and the idea of getting own dumped inside her waiting womb made her-

…makes me…

Shepard’s eyes rolled back as she settled down on the desk for a second, imagining getting that much seed sewn into her. God damn, it’d just be so… wet. Wet and messy and sticky and thick and filling and filling and filling and filling.

“Don’t… don’t cum in me!” Shepard snarled, “You piece of shit!”

“You wanted this.” Uvenk noted, a hint of amusement in his heavy voice, “You should accept it.”

“No!” Shepard tried to push him away, but almost immediately he grabbed her arms and pinned them to her back, locking her in place, “Rgh! Get the fuck off! I-! Ahn…”

Her expression melted in an instant as he cock managed to hit somewhere new and incredible. Uvenk must’ve noticed the reaction because he instantly switched gears to keep hitting it, causing Shepard’s legs to kick and twist impotently.

“Admit that you enjoy this and I’ll let go of your arms.” Uvenk offered.

“Rgh! Fuck you!” Shepard snarled. She tried to wrestle them free herself but between the awkward angle they were being held at and the fact it was a full-grown Krogan pinning them down, it was useless. She could barely even move them! 

“You’re enjoying this.” Uvenk growled, “It’s clear.”

“No! I’m-!”

“Then why do you keep seeking pleasure?”

Shepard froze, realizing too late what she’d been doing. Uvenk hadn’t even been thrusting into her, she’d just been throwing it back on him herself, spearing her cunt on his length. She had no idea how long she’d been doing it, but the sudden realization was mortifying. Shepard went deadly still, eyes wide, mouth open. 

“Fuck…” she breathed, then rolled her eyes caustically, “Fine… maybe it does feel… a little good.” she managed to glare at him out of the corner of her eyes, “You gonna let me go now?”

Uvenk chuckled, a low deep rumble, “No.”

Shepard’s eyes widened just before Uvenk went back to mercilessly plowing into her, her ass clapping against his hips, sending shivers up her spine. She could feel how close he was to coming as he wetly socketed into her, and it made her skin buzz.

“Don’t-! Don’t cum in me!” her snarling demand turned into little more than a beg as it spilled forth, milked out of her by his hard, sticky cock. It gouged her out until she felt another orgasm tear her in half, this one coupled with Uvenk’s own release. His hot, heavy cock swelled in her as her cunt contracted on it, Shepard’s brain releasing a silent shriek as his balls kept smacking against her twat even as he came. His thrusts became deeper and shorter and faster, digging deep into her as he planted his seed in her delicious womb. 

It was every bit as thick and filling as Shepard had been expecting, his cum pouring out of his slimy, alien head in a fucking tidal wave. It poured out of her cunt almost immediately as it filled it, dripping to the ground as she quivered from head to toe in ecstatic oblivion. The worst part was that Uvenk never stopped thrusting the entire time. His cock kept seeking more and more, even as it was cumming. If he really had four balls, it was possible one set was cumming while the other was still ready to go. 

Shepard, her arms still pinned behind her back, was powerless to do anything but love it. Every inch of his cock, every drop of his cum, every thrust of his hard, unrelenting meat.

It broke her apart in ways no other man had, and she couldn’t stand it. It made her feel like… a woman. Not Commander Shepard of the Normandy, Hero of the Citadel, just… a woman. A woman who desperately wanted to get bred in that moment.

“Do you still question my manhood, Shepard?” Uvenk growled.

The Commander could’ve laughed. Even now, he was still so damn insecure.

Instead, she did something she never thought she’d ever do: she whimpered.

“No…”

“Good!” Uvenk grunted, “Will you finally admit you’re enjoying this?”

“Yes…”

“How does it feel, human?”

“Good…”

“Good?”

“Feels…” Shepard managed to get a little bit of venom back in her voice, “So fucking good…”

“Say it!”

“Feels so fucking good!” she snarled, glaring back at him as he finally released her arms. It kept tumbling from her lips as he pounded her, until finally it twisted back into nothing more than a broken whimper. It took another hour of merciless lovemaking for Uvenk to be satisfied, at which point Shepard was so thoroughly cumdrunk she nearly passed out right then and there. Feeling his massive, soaking cock finally slip out of her pussy was like losing a part of herself, at that point.

Shepard fell to the ground as her numb legs gave out beneath her, her body teeming with cold sweat.

For what felt like an eternity, she was too weak and breathless to even think. Instead, she just remained on the floor, her brain in a million, melty little pieces.

Finally, she managed to speak.

“Will you… accept Grunt… now?” she mumbled.

“If Clan Urdnot truly wishes to accept such a weak disgrace into their fold, then who am I to disagree?” Uvenk pondered aloud, sending a thunderbolt of animosity through Shepard, “Let them weaken themselves further. Clan Gatatog’s power will rise all the more.”

Shepard rolled her eyes, still impossibly tired, “You… piece of shit…”

Her gaze slipped down to his cock, which was still hard as steel. Had it even gone limp at all? God, Krogan really were virile.

“You still desire more?” Uvenk sneered.

“I didn't say that.” Shepard panted, “Just surprised you could get it up at all. I figured you'd cum just getting it out of your pants.”

“Krogan males can last for hours.” Uvenk explained, “One set of testicles can cum while the other is still full and potent.”

“Jesus…” Shepard murmured, “So you're still… ‘full’?”

Uvenk’s eyes narrowed, “I am.”

“Huh.” Shepard noted. Her eyes lifted to his, an invitation carried in them clear as day, “Wanna… fix that?”