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aquaticmercy · 5 hours ago

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Blood Bound

Part 2 to Bloodlust Companion text: What is a Blood Bond?

Summary : You are blood bonded to Bucky. The problem? You don't know what a blood bond is.

Pairing : Bucky Barnes x half-vampire!reader (she/her in mind)

Warnings/tags : Blood. Cursing. Sexual tension. Pleasure from a vampire bite (?). Brief mention of sex (not graphic). Violence.

Word count : 3.1k

Note : Reader is a daywalker like Blade. John Walker and Eric Brooks feature in this because I kinda tolerate John because I think he has potential to be a well-written character, and I loved the Blade comics as a kid. Enjoy!

Whatever manifested between you and Bucky after the feeding only grew stronger in the days that followed.

It wasn’t just the bite, nor was it just the intoxicating power of his super-soldier blood; it was something more— it has to be. It was something that you could not identify yet— it was as if it unlocked something dormant.

You didn’t understand it. The only bond you knew of was the familiar bond— and that required Bucky drinking your blood, not the other way around.

You knew you should’ve read up more on the history of vampirism. Granted, your lack of knowledge at this point wasn’t entirely your fault— you hadn’t lived very long, at least not by vampire standards. You haven’t even lived through a human lifetime yet.

You had barely scratched the surface of the supernatural experience. Eric Brooks had told you to read thousands of ancient inscriptions, and you were even a quarter way there yet.

Besides, maybe you were just overthinking it. Maybe this was just what it felt to feed on an enhanced being.

Of course, you had fed on people before Eric— Blade— found you. He had seen you as a feral teenage daywalker, reckless but full of potential. It had been different then. Human blood was good but not great, it just gave you sustenance. You’d always imagine you had to get used to blood the same way high school kids learned to like beer.

When Eric took you in, he gave you shelter. He gave you a home and proper training. He gave you bags of serum monthly— ones he developed as a blood replacement. He gave you scrolls to study, books to read.

He told you to never ever consume human blood, even if it means you would never be satisfied.

Well, you broke that rule.

It had been weeks now since you first fed on Bucky’s blood, and now you could feel him like a second pulse.

It started with small things. So small that it went unnoticed at first. You’d reach for a glass of water, only to have him pass it to you before you even realized you were thirsty. He’d appear beside you on missions, his arms raised to protect you the second you sensed an incoming attack. And his injuries—those bruises and cuts you’d tend to— left ghostly aches on your skin.

After the feeding, both your powers became something else entirely.

Your already sharp reflexes were sharper, your speed more supernatural that it should be. Bucky noticed it too—he moved with more than super soldier agility, leaping over gates as if they weren’t there, dodging bullets with uncanny ease.

It wasn’t just that. Your emotions flowed into each other in unexpected surges.

When Bucky felt anger, a hot, restless fury built within you, too. When your mind was clouded by doubt or fear, he’d tense up beside you.

One evening, after a particularly grueling mission, you both stumbled back to your shared apartment. His shirt was ripped, exposing the bruises mottling his chest. He tried to ignore it, but he knew you felt it, too.

“I need you,” he murmured, voice steady, almost begging.

“Bucky, we can’t keep doing this,” You swallowed. “What if you get hurt?”

“I won’t,” he growled, fingers brushing over your cheek, voice thick with longing. “Don’t you feel it? I’m stronger, faster— I’m healing quicker than I ever have before. Whatever this is, it’s changing both of us.”

The words hung in the air. You’d felt it too, that surge of power, that electric hum that vibrated through your bones.

“What is this?” you whispered, not expecting an answer. “What is it doing to us?”

“Let’s find out,” he said, his voice a dark, thrilling promise as he leaned in, the heat of his breath grazing your skin.

You hesitated, a pang of guilt tugging at your heartstrings. “Maybe we should ask Eric. He’s dealt with this daywalker thing longer—he might understand—”

There was a glint of frustration in his gaze. “And have him tell you to stop feeding off me? To go back to starving, until you waste away?” His hand cupped your face, pulling you closer. “His serum isn’t working anymore. Cow blood isn’t working. You need this. And I’m not about to let you go through hell to satisfy someone else’s rules.”

You felt your guard slipping, his words and the heat in his eyes breaking down your last defences. He was offering himself to fill the void inside you. And you couldn’t deny him any longer.

Before you knew it, his lips were on yours, fierce and demanding, his hands gripping your waist as he pulled you onto his lap.

Slowly, you let your fangs graze his skin, a soft, tantalizing scrape that drew a low groan from his throat. His hands tightened around you. With a gentle press, you sank your fangs in.

The first taste of his blood hit you like a shockwave, the way it did the first time. He flooded your senses in a dizzying head rush. He tasted so intoxicating that it left you gasping.

You felt his pulse in your mouth, steady and strong.

“Fuck…” he groaned, his voice rough, almost pleading. “Don’t stop.”

His words were a spark to the fire inside you. His blood was like a drug. You couldn’t talk where you ended and he began.

His hands roamed over your back, fingers tracing every curve, pressing you closer as if he couldn’t bear any distance between you. The way he held you, the way he breathed your name—it was like he was offering every part of himself to you

When you finally pulled back, Bucky’s eyes were heavy-lidded. He reached up, brushing his thumb over your lips, smearing the faint trace of his own blood as he gazed at you, his hazy eyes a mixture of wonder and desire.

“I’m yours,” he whispered, his voice a low growl.

Without thinking, you pressed your lips to the mark you’d left, your tongue flicking over the wound as he shivered. You could feel his pulse slowing, his heartbeat returning to a steady rhythm as the euphoria settled over him. He looked almost dazed, a lazy, satisfied smile on his lips as he gazed up at you.

“You really think Eric would understand?” he murmured, his voice soft but tinged with a dark humour.

You laughed softly, brushing your fingers through his hair. “He wouldn’t,” you savoured the warmth beneath your hands. “And I don’t care. This… this is ours.”

He let out a low, satisfied hum, his hand sliding down to rest on your thigh, his thumb tracing slow circles that sent a shiver up your spine.

The feeding continued, more frequently, and you both realised the connection you felt went beyond survival in battle.

The first time you felt each other’s pleasure in bed, it hit you both like a wave, powerful and dizzying, sweeping through you so intensely that you weren’t sure where your body ended and his began. His pleasure sparked in your core, racing along your nerves like electricity, feeding back into him, and then doubling again within you. The feeling grew in an endless loop.

Every gasp, every moan became a shared experience, each sensation reverberating between you in dizzying echoes. His touch, as he moved within you, left you quivering; his breath against your neck seemed to burn, intensifying every rush of desire until you could barely breathe.

It was all-consuming.

And then, once, you’d fed from him in the midst of it, your lips against his neck as his pulse thundered beneath your mouth. The second your teeth broke skin, a flood of his essence surged through you, a rush so potent, so intoxicating, you nearly lost yourself in it.

It was more than pleasure; it was pure, unfathomable ecstasy, a high that pulled both of you into an untethered oblivion.

Afterward, both of you lay tangled together, limbs intertwined. It was as though pieces of yourselves had fused. It was the most intense connection you’d ever felt, something neither of you could put into words. Even if you could, it would never do it justice.

In the silences you shared, you knew that no other pleasure could ever compare to what you shared.

—

The mist hung thick around the old Hydra outpost, cloaking it in a damp chill that seeped into your skin, even with your heightened senses. The place reeked of decay and rot. A vampire nest thrived in the old base— newly turned vampires hiding from the world, growing stronger, more feral with each night that passed.

They killed people. They turned people.

You, Bucky, Eric Brooks, and John Walker were there to wipe them out before they could spread their sickness further.

Eric took point, his silhouette sharp in the mist as he motioned for you and Bucky to fan out around him.

“Close ranks.” His voice was barely a whisper. “No one goes in solo."

You nodded, knowing better than to push against his authority.

John, off to the side, gave Bucky a wry look. "Better keep up, Barnes.”

You could smell the faintest whiff of fear from John—though he’d never admit it.

You moved forward, sinking deeper into the ruins, stopped by cracked concrete walls that loomed like tombstones.

Your eyes met Bucky’s.

As you scaled the wall together, Bucky’s fingers brushing the concrete just behind yours.

John huffed below, struggling to keep up. His irritation crackled in the air as he muttered, “I thought we were both supersoldiers.”

“You’re getting slow, Walker,” Bucky said, his voice a low rasp, though he didn’t look down.

Once at the top, you peered down into the yard below. The stench hit you—stale human blood, mould, the faint copper tang of vampire blood. You all dropped down with a quiet thud, though John was louder than you’d like him to be.

“Left flank,” Eric instructed, motioning toward the entrance, his eyes never leaving yours. You nodded, gripping the hilt of your knife, feeling its hunger.

Bucky moved beside you, ready, his presence as familiar as your own heartbeat. John and Eric fanned out to the right, slipping into the murky depths of the compound with grim determination.

The first vampire appeared just as you and Bucky reached the door, its eyes blazing red in the dim light. It had time to hiss, but not to scream. You launched yourself at it, your knife slicing through.

A second figure lunged at Bucky, but before it could touch him, you were there, your blade found the vampire’s heart.

Bucky grinned, a wild, reckless glimmer in his eyes. “You didn’t have to do that.”

You shrugged wordlessly, almost casually.

Inside the base, the halls were narrow and cold, every corner shrouded in shadows. Bloodstains smeared the walls, and the smell of decay lingered thickly in the air. You moved quickly, every step calculated, every breath measured. The vampires were emerging in hoards now, drawn by the scent of fresh blood and the thrill of a fight. They came at you in waves—fangs bared, claws extended, feral eyes blazing.

One raked its nails across your shoulder, tearing into muscle. You winced, and Bucky’s eyes snapped to you, feeling the sharp pain sear through him, too. He yanked it off, his fist connecting with its jaw with a brutal crack. You pivoted, driving your knife through its chest, twisting until you felt the resistance give way.

John staggered past, panting as he took down a vampire, his face slick with sweat. He cast a sidelong glance at you and Bucky, frustration etched deep into his scowl. “How are you both running circles around us?”

“Stay focused, Walker,” Eric barked, but you could tell he’d heard John. He’d noticed how your movements mirrored Bucky’s, how you flinched when he did, even how you were breathing in time with each other. Eric’s gaze lingered too long, as if he was convincing himself something he didn’t want to believe.

“You’ve been off the blood serum for a while,” Blade murmured suddenly, his voice low and directed at you. “What have you been feeding on, kid?”

“Animal blood” you said quietly, keeping your gaze neutral, slashing down another vampire with ease.

Eric’s knuckle tightened, and you knew he didn’t believe you. He’d taught you everything you knew, raised you like a sister. And here you were, deceiving him with half-truths.

Before he could respond, another wave of vampires rushed you from the darkness, cutting the conversation short.

Blade fought beside you, taking in every detail of the fight, every flinch, every glance you shared with Bucky.

“If you’re feeding on something else, you need to tell me.” He stepped closer, beheading a bloodsucker without even looking at it. “Now.”

You wanted to tell him, to explain the connection you shared with Bucky, and asked if he knew what the hell was going on, but the words caught in your throat.

The fear of his disapproval held you back. He had warned you so many times against crossing that line, of giving into the hunger that all vampires struggled to control. And yet… Bucky had been different.

You shoved Eric back, drawing his attention to the fight. “Save it for later,” you said, your voice clipped. “We’ve got company.”

You turned, facing down the horde with Bucky at your side, the two of you tearing through the vampires with an intensity that bordered on frenzy. Each kill was swift— brutal. Your knife left trails of gore in your wake, while Bucky’s fists shattered skulls with merciless precision.

At one point, you felt the burn of a blade slicing across your forearm, a deep, ragged cut that sent a surge of pain up your arm. But before you could react, Bucky flinched beside you, clutching his own arm as if he’d been wounded too.

His gaze shifted back and forth between you and him. He moved in close, his voice barely a whisper as he muttered, “This isn’t normal.”

You didn’t answer, couldn’t answer. You didn’t know what was happening.

The final vampire fell, its scream echoing down the blood-stained halls. The four of you stood in the aftermath, panting, bruised, and blood-soaked. The air was thick with the scent of the undead.

Eric’s gaze shifted to Bucky. “This shouldn’t be possible,” he muttered, almost to himself. “A blood bonded daywalker…”

Your heart hammered in your chest. You didn’t know what a blood bond was, never even heard of it. But the way Eric said it made your heart skip a beat.

Eric’s gaze softened for a brief moment, a shadow of pity flickering across his face. “If this is what I think it is…”

Eric didn’t press any further, but as you moved toward the exit, his words lingered in your mind, haunting and unshakeable. Whatever had happened between you and Bucky, you didn’t know.

And maybe, deep down, you didn’t want to.

—

As the four of you trudged out of the Hydra base, John caught up next to Bucky with a skeptical glance. His breath hung in clouds around them in the night air, but he ignored the cold, eyes narrowed on Bucky’s calm, steady pace.

"Alright, Barnes," he muttered, keeping his voice low so you and Eric wouldn’t hear. "You gonna tell me what the hell’s going on? Did you get a new serum or something?"

Bucky raised an eyebrow. "What are you talking about?"

"Don’t play dumb,” John snapped, frustration creeping into his tone. “I’m not blind. You’re faster. Stronger. You and..." He glanced in your direction before lowering his voice even more. "You both are."

Bucky shrugged, “Guess I’ve been working out,” he replied coolly, brushing John off with the kind of indifference that only seemed to make him angrier.

“That’s not funny.” John’s frustration was barely concealed.

For a moment, Bucky’s eyes flicked toward you, watching as you spoke quietly with Eric up ahead.

“I told you, Walker,” he brushed off, “maybe you’re just getting slow.

—

The safe house was dark and quiet, a farmhouse in the middle of nowhere.

You barely had time to breathe before Bucky’s hand wrapped around your arm. He guided you into the bathroom, shutting the door.

Bucky’s lifted you to sit on the edge of the sink, his eyes taking in the blood on your shoulder, concern flickering across his face.

The cut wasn’t closing as quickly as he’d like it to, your shoulder throbbing faintly— so did his.

“Let me see it,” he said, voice low but intense, as he reached for the hem of your shirt. You started to protest, but he was insistently stubborn.

“It’s nothing,” you murmured, but even you could hear the strain in your voice.

Without another word, he took off your tactical gear, the cool air brushing over the cut on your back. His eyes darted over the wound.

Then, without hesitation, he pulled off his own shirt. “You know it’ll help you heal faster,” he whispered, his lips ghosting over yours before he tilted his head, offering his neck to you.

Your lips met his, almost desperate. You were satisfying a hunger as he pulled you closer, his hand tangling in your hair, your nails grazing his skin as you wrapped your legs around his waist.

Then, slowly, you angled his neck.

You could hear his heartbeat, strong and steady, as you pressed soft, lingering kisses on his skin.

Finally, you bit down.

A euphoric thrill coursed through you as his blood flowed into your mouth, filling you with a euphoric sensation that spread through every nerve, igniting something primal within both of you.

Bucky’s hands gripped your waist, pulling you closer. His breaths came faster as he tilted his head back, a low, almost pleading sound escaping him. Each swallow of his blood was a pleasure so vast it felt spiritual. His fingers tangled in your hair, nails digging into your skin.

The moment was so intense that neither of you heard the door creak open.

“What the fuck…” John’s voice was harsh and full of shock.

You jerked back, catching John’s wide eyes. He took in the scene— your mouth still stained with Bucky’s blood, his arm around your waist. His confusion morphedl into anger. “Are you… drinking his blood?”

Eric was right behind him, his rage thunderous. For a moment, he looked between you and Bucky, piecing it together with a calm that was worse than John’s horror.

“This is what you call animal blood,” Eric said in a quiet accusation.

You glanced at Bucky, whose face had gone rigid. He didn’t pull away from you, his hand still resting protectively on your waist.

“I… I can explain,” you started, but even you weren’t sure what to say.

Eric’s gaze shifted from you to Bucky, a flicker of recognition in his eyes that turned grim. He muttered under his breath, “do you have any idea what you’ve done?”

-to be continued(?)

shall I make a part 3 or turn it into a series?

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