BackRosemary’s Vow: Blood and Thorn

Chapter 3 - One Year, One Crown

KAELEN

The fire crackled low, casting long shadows across the stone floor. I stood by the hearth, one hand braced against the mantle, the other clenched into a fist at my side. The scent of her—rosemary and iron, wild thorn and something deeper, something *alive*—still clung to the air. To my skin. To the inside of my ribs, where my heart hadn’t beat in centuries but now thudded like a war drum.

Rosemary slept. Or pretended to. Curled on her side in the center of my bed, beneath black silk and silver-threaded fur, her back to me. Her breathing was slow, controlled—too controlled. A witch’s trick. She wasn’t resting. She was calculating.

Good.

Let her think. Let her plan. Let her believe she could still outmaneuver me.

Because by dawn, I would give her a choice that would unravel every scheme she’d ever woven.

The bond pulsed between us, a live wire strung from my chest to hers. I could feel her pulse in the mark on her wrist, a mirrored echo of my own. It was maddening. Exhilarating. For three hundred years, I had ruled in cold silence, untouched, unshaken. I had denied myself pleasure, denied myself connection, denied myself *need*—because need was weakness. And weakness got people killed.

But this—this was different.

This wasn’t just magic. This wasn’t just fate.

This was *hunger*.

And it terrified me.

I turned from the fire, my boots silent on the stone. I didn’t go to her. I wouldn’t give her the satisfaction of seeing me falter. Instead, I moved to the far wall, to the iron-bound chest hidden behind a tapestry of the Nightborn sigil—a raven clutching a thorned rose in its talons. I knelt, pressed my palm to the lock, and whispered the blood-oath that would open it.

The lid creaked open.

Inside, wrapped in velvet the color of dried blood, was the Thorn Crown.

It was smaller than I expected. Delicate, almost fragile—a circlet of blackened silver, etched with ancient runes that pulsed faintly in the dark. Thorns curled from its base, not sharp, but *alive*, as if they might bloom at any moment. My father had taken it from her mother’s temple the night he killed her. He’d tried to wear it. To *use* it. But the moment his blood touched the metal, the thorns drove into his skull and nearly killed him.

The Crown rejected him.

It would only answer to a true Thorn Witch.

And now, it pulsed in time with the bond.

As if it *knew* she was here.

I lifted it from the chest, cradling it in my palms. The metal was warm. Alive. I could feel the magic humming through it—raw, untamed, *dangerous*. This was the power she’d come for. The power she believed would let her destroy me.

And she was right.

With the Thorn Crown, she could command the ancient thorn sigils. She could poison the Blood Chalice so completely that not even my immortality could withstand it. She could unravel the Vein of Eternity—the source of my power—and bring the Nightborn to their knees.

She could kill me.

And yet—

I didn’t fear her.

I feared what I would do *for* her.

I closed the chest, returned the tapestry to its place, and stood. The Crown remained in my hands. I would not hide it. I would not hoard it. I would use it—like everything else—as a weapon in this game we were playing.

But not to destroy her.

To bind her.

Not by magic.

By choice.

I waited until the first pale light of dawn began to bleed through the enchanted glass ceiling. Rosemary hadn’t moved. Still on her side, still pretending to sleep. But her pulse had quickened. She was awake. Listening.

Good.

I walked to the bed.

“Rise,” I said, voice low but firm. “We have business to discuss.”

She didn’t answer. Didn’t move.

So I did what I knew would provoke her.

I sat on the edge of the bed.

The mattress dipped. She stiffened. I could feel the bond flare—heat rushing through the mark, her magic prickling against my skin like static.

“Get off,” she said, voice sharp.

“Or what?” I asked. “You’ll curse me? Poison me? You already tried. And failed.”

She rolled onto her back, eyes blazing. “I haven’t failed yet.”

“No,” I agreed. “But you will. Unless you’re willing to make a deal.”

She sat up, the silk sheets pooling around her waist. She wore a thin shift, the fabric clinging to the curve of her breasts, the dip of her waist. My gaze lingered—just for a moment—before I forced it back to her face.

She noticed.

Of course she did.

“You don’t get to look at me like that,” she snapped.

“Like what?”

“Like I’m something you want to devour.”

I didn’t deny it.

“You *are*,” I said simply. “But not the way you think.”

She scoffed. “Save the seduction for someone who believes your lies.”

“This isn’t seduction,” I said, reaching into the folds of my coat. “This is strategy.”

I placed the Thorn Crown on the bed between us.

Her breath caught.

Her eyes widened—just for a fraction of a second—before she masked it with suspicion.

“Where did you get that?” she demanded.

“Your mother’s temple,” I said. “The night she died. My father took it. Tried to wear it. It nearly killed him.”

She reached for it—then stopped, hand hovering above the metal.

“Why are you giving it to me?”

“I’m not,” I said. “I’m offering it.”

She narrowed her eyes. “What’s the catch?”

“One year,” I said. “Serve me. Obey me. Stand at my side as my consort. And at the end of the year, the Crown is yours. No tricks. No blood oaths. Just time.”

She laughed—short, bitter. “You think I’d sell myself to you for a year? You think I’d let you *own* me?”

“I don’t want to own you,” I said, voice low. “I want to *know* you.”

She froze.

And for the first time, I saw it—crack in her armor. Not fear. Not anger.

*Surprise.*

“You don’t know me,” she said, but her voice wavered.

“No,” I admitted. “But the bond does. And it’s screaming at me that you’re not just vengeance. You’re not just hate. You’re *more*.”

She looked away, jaw tight. “And if I refuse?”

“Then the Crown stays with me. And you remain my prisoner. Bound by law, bound by magic, bound by the bed we shared last night.”

“You can’t force me to serve you.”

“No,” I said. “But I can make your life unbearable. I can deny you access to the library. To the training grounds. To the council chambers. I can isolate you. Silence you. Make you irrelevant.”

Her eyes flashed. “You wouldn’t dare.”

“Try me.”

We stared at each other—witch and vampire, thorn and fang, hatred and something deeper neither of us could name.

And then—

She reached for the Crown.

Not to take it.

But to touch it.

Her fingers brushed the metal.

And the room *changed*.

The runes flared to life—crimson, then gold, then deep violet. The thorns trembled, as if waking. The air hummed with power. And Rosemary—

She gasped.

Her back arched. Her eyes rolled back. Her magic surged, wild and uncontrolled, lashing out in a wave that shattered the glass in the nearest window. The fire roared. The candles exploded. The bond between us *screamed*—a pulse so strong it knocked me back a step.

And then—silence.

She lowered her hand, breathing hard. Her face was pale. Her lips trembled.

“It knows me,” she whispered.

“It knows what you could be,” I said. “With training. With time. With *me*.”

She looked at me—really looked. Not with hate. Not with defiance.

With *curiosity*.

“Why?” she asked. “Why would you give me this power? Don’t you know what I’ll do with it?”

“I know,” I said. “And I’m still offering.”

“Because you want something from me.”

“I want *you*,” I said. “Not as a weapon. Not as a pawn. But as my equal.”

She laughed—nervous this time, not bitter. “You don’t believe in equals.”

“I didn’t,” I admitted. “Until you walked into my sanctum with poison in your hand and fire in your eyes.”

She stared at the Crown. Then at me.

And for the first time, I saw it—

*Doubt.*

Not in the bond.

But in her mission.

“One year,” she said slowly. “I serve you. I stand at your side. I play the part of the Thorned Bride. And at the end—”

“The Crown is yours,” I finished. “And you’re free to use it as you wish. Even if that means killing me.”

She swallowed. “And if I break the contract?”

“Then you lose the Crown,” I said. “And I’ll make sure you never touch it again.”

She looked at me—long, searching. Then, slowly, she nodded.

“Fine,” she said. “One year.”

I didn’t smile. Didn’t gloat. I simply reached out—slowly, deliberately—and traced the bond mark on her wrist.

Her breath hitched.

Her magic flared.

And the heat between us—

It *burned*.

“You’ll obey me in all things,” I said, voice rough. “Or I’ll make you beg.”

She didn’t flinch. Didn’t look away.

“Try it,” she said. “And I’ll make you *plead*.”

I let my hand fall.

“We’ll see,” I said.

She picked up the Crown, cradling it like something sacred. “Where do I start?”

“With the council,” I said. “There’s a treaty to negotiate. Werewolves and vampires. Old blood. Old grudges. They’ll try to use you. To turn you against me.”

She smirked. “And if I do?”

“Then you’ll learn what happens when you betray me,” I said. “But I don’t think you will.”

“Why not?”

“Because,” I said, stepping back, “you’re not just a blade, Rosemary.”

“Then what am I?”

I looked at her—really looked. At the fire in her eyes. The defiance in her spine. The way the bond pulsed between us, bright and undeniable.

“You’re the storm,” I said. “And I’m the only one who can weather it.”

She didn’t answer.

But she didn’t deny it either.

And when she followed me to the door, the Thorn Crown held tight in her hands, I knew—

The game had begun.

And for the first time in centuries—

I was no longer playing to win.

I was playing to *keep* her.

Even if it destroyed me.