The Heroine is My Stepsister, and I'm her Final Boss-Chapter 121: Primes

The same day, Eli walked—no, she marched—down the polished obsidian corridor. Her every step landed with sovereign gravity, not just as a monarch returned from death, but as a storm barely contained within flesh and will. This was not the same Elizabeth Orelous Augustus the court remembered.

She was different.

Sharper.

Wilder.

There was something unsettling about her now—something fractured and glinting behind the surface of her pale eyes, like glass catching the last light before it shatters.

People said a broken man was dangerous.

But what of a broken woman?

What of a woman who had loved and lost, who had bled for a nation only to return and find it reshaped in her absence, its loyalty brittle, its strength diluted?

What of a woman with wounds deep enough to drown in, layered over with godlike power, and a throne?

That wasn’t just danger.

That was a recipe.

A recipe for calculated chaos. One she was about to serve to the highest table in the Empire.

The twin doors to the Chamber of the Primes loomed before her—massive slabs of reinforced rune-iron etched with ancient Imperial sigils. Each symbol pulsed faintly as she neared, recognizing her aura like a loyal beast recognizing its master. Without a word, the two guards flanking the entrance—Beta Primes themselves—stepped aside and gripped the handles. Their armor, forged from the same mineral as her own mechanical limb, creaked with the strain.

With a groan that echoed like an omen, the doors opened.

Within, the air shifted.

What had moments before been a din of accusations, strategy, and political bickering collapsed into silence so complete, it swallowed even the sound of breath. The stone chamber, circular and vast, felt suddenly too small to contain her presence.

Seventeen of the Empire’s most lethal knights stood from their seats the moment they saw her. Their bodies moved as one—reflex, not performance. Clad in ceremonial black-and-god steel armor laced with mana-conductive veins, they looked less like men and women and more like sentient weapons waiting to be pointed at a target.

They bowed.

Every single one of them.

And they held it.

Because something in her gaze told them that even blinking would be remembered.

The faint hiss of her mechanical arm filled the chamber, steam curling from the joints like smoke from a dragon’s nostril. The gauntlet on her left hand shimmered with a soft internal heat—its golden plates moving with such precision they might as well have been grown from her bone.

They all felt it—her mana, no longer stable, no longer soft.

It was chaotic. Volcanic.

One breath too deep, and she might detonate.

And still, she stood like a statue carved from purpose.

After appointing the War Master, after publicly giving her brother the sword of leadership—and the target painted on his back—this was her next step. Her weapons. The Primes.

Seventeen.

When it should have been eighteen.

Her gaze passed over the empty chair at her left. The one meant for Irene. Her final Prime. Once the most loyal. Once the hungriest.

Gone now.

Gone because of one mistake—trusting in peace, trusting war could be avoided if managed early.

A sharp intake of breath stung her throat, but she made no sound. No change in expression. She simply moved toward the elevated throne-like chair at the head of the chamber.

It wasn’t the Imperial Throne—but in this room, it was power.

She lowered herself onto it in one fluid motion, her crimson-and-black cloak folding like wings behind her.

"You may all sit," she said softly.

The voice didn’t match the aura—calm, silken, almost bored. But that dissonance only made it more terrifying.

They obeyed instantly. Seventeen chairs groaned in harmony as the knights returned to their seats.

Seventeen.

Not eighteen.

That absence was a wound.

But she would not bleed for it.

She watched them, scanning faces like runes. She noted changes in posture, fluctuations in mana, the twitch of a gauntlet, the stiffened back of one who had once fought relaxed.

"You’ve grown," she murmured, eyes half-lidded.

It sounded like praise, but the room knew better.

There was no pride in her voice.

Only judgment.

Cold. Surgical.

Several Primes swallowed hard. A few lowered their gazes. They understood. Growth was expected. What she saw was not evolution.

It was complacency.

The circle of chairs formed a crescent, a configuration so old its origin was myth. The strongest Prime—No.1—sat to her immediate right. The weakest—No.18—should have sat to her left.

Irene’s chair remained untouched.

No one dared glance at it.

They were all aware: war was coming. They had survived countless battles. But this one... this would not be the same.

Elizabeth’s foot tapped once against the floor. The echo lingered.

Her eyes swept the room again, harder now. Calculating. Measuring.

Each of these individuals had been selected from blood, from trial, from death. Their oaths were not symbolic. They were binding. Etched in spirit, reinforced in soul. Most of them had died once to earn their titles. All of them had killed more than entire battalions.

And yet—none of them had seen her like this before.

Not Elizabeth the strategist.

Not Elizabeth the symbol.

But Elizabeth the executor.

Not a general.

Not a queen.

A force of will that did not need a name.

A brief memory surfaced—fleeting, painful.

The battlefield on the edge of the Dark Continent. Her arm severed. The stars blotted out by screaming. And the face of Atlas, cradled in blood, vanishing into the void.

She had crawled through fire to reach this moment.

Let them feel it.

Let them see the cost.

And let them realize what must now be paid again.

She leaned forward, elbows resting lightly on her knees, chin balanced on her knuckles.

And smiled.

It was not a smile of reassurance.

It was a warning.

Because she had not come here to grieve what was lost.

She had come to weaponize what remained.

And the Primes?

They were no longer individuals.

They were no longer even people.

They were what she had made them.

Her edge.

Her reckoning.

Her final decree.

She stood up again, She turned, walking slowly between the ranks of knights—not ruler to soldiers, but predator through a den of trained killers. The floor echoed beneath her bare feet, polished stone drinking in the sound and giving back only a whisper. Behind her, the throne loomed silent and cold, untouched. It would remain so tonight.

Domiren, blind though he was, seemed to track her steps with an unnatural precision. She paused before him. free𝑤ebnovel.com

"You knelt in fire to prove your loyalty once," she said, her voice too soft for most ears, but Domiren tilted his head toward her as if the words had struck like thunder. "Would you kneel again?"

He did not speak. But his gauntleted hand pressed to his chest—over the ash-blackened scar beneath. A slow nod.

She moved on.

Loric, the youngest. He still carried his wounds like medals, unhealed not from weakness, but from the stubbornness of survival. His jaw tightened as she passed. He was the future, she knew—but a future forged under pressure breaks just as easily as it’s hardened.

Magda’s armor clinked faintly. The scent of iron and oil followed her like a second shadow. Her gaze met Elizabeth’s with the calm of someone who had seen mountains fall and cities burn and had survived both.

"You fought to hold the southern border while the Senate turned their back on it," Elizabeth said, halting briefly. "And you held it anyway."

"It was mine to hold," Magda answered. "Or die failing."

Elizabeth offered her a nod. "Then prepare to do both again."

At last she stopped, turning back to face the gathered circle. Her eyes—white with veins of sapphire threading from the iris outward like frost upon glass—caught the torchlight and held it in cold reflection.

"I will not lie to you," she said. "There are those among us who question the war. They speak in private of peace. Of surrender. Of safety. But safety is the luxury of those who own the field. Not those trapped on it."

A breath. She let the silence thicken.

"I have been betrayed by men who loved me. By generals who wore my banner. By nobles who bled the Empire while whispering my name in prayer. I do not forget."

She stepped forward again, past the circle now. Past them all.

"I do not forgive."

The words were not shouted, but the walls seemed to reverberate with them.

"And so, neither will you."

The Prime Knights stood motionless. Yet something shifted between them. A collective tightening of posture. A silent assent.

Outside, the storm broke.

Thunder cracked across the sky above Zander, rolling like cannon fire through the spires of the palace. The stained-glass windows trembled in their frames. Rain began to fall—slow at first, then in a torrential cascade, slamming against the stone like war drums.

Elizabeth raised her arm, flames glowing through the metallic skin of her prosthetic. The heat surged, curling steam from her shoulder. Her cape, soaked by the humidity of the oncoming storm, billowed like wings cut from blood and ash.

"We will march," she said. "At dawn."

No one dared speak. But their breaths came faster.

"Berkimhum thinks us broken. They see Irene lost, Atlas unclaimed, and they assume the flame of Sol has guttered out."

She turned her gaze to each of them again.

"They are wrong."

A single gesture, and the great chamber doors opened behind her. Beyond them, the imperial court waited, trembling beneath golden chandeliers, too far to hear—but close enough to feel the shift.

"I want their gates shattered," she whispered, low and deadly. "I want their skies red. I want their people to remember what it is to fear a name."

Domiren raised his hand slowly. "What of the Emissaries? The Accord? There will be consequences—"

"There already were," she interrupted. Her tone clipped, final. "We bled in silence while they dined in gilded halls. Now they will hear our scream through fire and steel."

"Even if it means losing everything?" Vaelus again. His voice wasn’t doubting—just... calculating. Like a tactician running worst-case scenarios aloud.

Elizabeth met his question with the calm of inevitability. "I would rather rule ashes than kneel in gardens. Let the world burn.....But I will not bow."

They watched her. Not as a monarch.

Not even as a woman.

As an idea.

And ideas—especially dangerous ones—didn’t die quietly.

She lowered her arm, and the fire dimmed.

"Dismissed," she said.

None of them moved.

Elizabeth narrowed her eyes. "I said—"

But it was not disobedience.

It was reverence.

One by one, seventeen of the most powerful warriors in the Empire dropped to a knee. Not for ritual. Not for show.

But because in that moment, they understood.

This was no longer a campaign.

It was a conquest.

Elizabeth turned and walked past them. Her steps silent again.

But this time, the silence followed her.

The chamber of the Primes remained still long after her presence had vanished.

Only Domiren spoke, once she was gone.

"She’s no longer returning from the dead," he said.

Magda nodded. "She’s becoming death itself."

******

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