My Dad, the Demon King, Is a Big Problem-Chapter 123

Don’t let it shake you.

Just watch as if it doesn’t concern you.

Meteor repeated that thought in his mind.

After all, who was he? The descendant of one of history’s greatest warriors. Why should he be anxious about the Demon King’s daughter getting hurt? That made no sense.

And yet…

The idea of Crescent falling to that demon’s hands didn’t sit right with him either.

Fortunately, she hadn’t sustained any serious damage. She landed gracefully, coming to a firm stand as though the attack had never happened. The knights around them exhaled, as if they had narrowly avoided a heart attack.

But one knight—Adrian—still looked completely beside himself.

"Your Eminence, are you sure we shouldn’t assist Crescent? I’m really worried."

"Worried? Look at her. She’s still standing, isn’t she?"

"Haah…"

Adrian sighed, shifting his weight anxiously.

Meteor, however, kept his expression neutral.

Then—

Crescent lowered her sword.

At that moment, holy power surged along the blade, wrapping around it like a blinding radiance.

A brilliant glow.

As always, divine power manifested in light—but something felt different.

Meteor sensed it first.

Then, slowly, the other knights began to notice it too.

This wasn’t the same holy power Crescent usually wielded.

No—it was still her power, but it had become something far greater.

Stronger.

Vast.

The knights forgot to breathe.

What… was this?

Even from a distance, the pure yet overwhelming force of it could be felt.

This was unlike any divine power anyone had ever encountered.

Not even the highest-ranking knights of the Holy Palace possessed anything close to this.

"What in the world…?"

A breath of awe escaped someone’s lips.

Everyone was thinking the same thing.

Where did Crescent suddenly gain this power?

"Your Eminence—"

Just as Meteor opened his mouth, still stunned, Reuben Pluto spoke first.

"Marvelous."

His voice carried a genuine note of admiration.

And with that, the floodgates opened.

"How is this possible?"

"Where did she get that strength?"

"That’s still Crescent, right? There aren’t any other knights out there, are there?"

Edgar rubbed his eyes and looked back and forth between the battle and the surrounding knights, as if expecting someone else to be standing there.

Then—

FLASH!

Crescent’s sword suddenly shone even brighter.

Before their very eyes, the blade’s length expanded. Its width grew.

The knights' eyes widened in shock.

But it didn’t stop there.

The hilt and crossguard stretched, curving like vines weaving into something new.

And then, as the light receded—

A completely different sword emerged.

It had transformed.

"Wait—what?!"

"Did you see that?!"

"Her sword just—changed!"

The knights broke into murmurs.

Even though they had just witnessed it, they couldn’t believe what they had seen.

And the shape of the sword—

It was exquisite.

An elegant yet deadly curve ran through the blade, its form both majestic and menacing. The silvery glow on its surface flowed like liquid moonlight, as if it didn’t belong to this world.

No one had ever seen a weapon like this before.

If swords had a king, this would be it.

"How… How is this happening?"

Even Reuben Pluto was in awe.

At that moment, Crescent raised the blade, her expression bewildered.

Then, her eyes widened.

"What the hell…?"

It felt like someone had switched her weapon while she wasn’t looking.

She had only channeled Astina’s divine power into it—

But somehow, its entire shape had evolved.

Had the sword transformed to match the level of divine energy she now possessed?

Ding!

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<‘From Maid to Saintess—Astina’ declares that this is a brand-new Holy Sword, born from the fusion of her divine power and yours.>

A Holy Sword?

Wait, did I just become the wielder of a Holy Sword?

The shock barely had time to settle before darkness swallowed the battlefield.

Thick black mist rolled in like a living tide, spreading in all directions and consuming the light.

It was Cyrillote’s Magi.

Within the suffocating shroud of darkness, Crescent’s divine power and her newly formed Holy Sword shone brilliantly.

The Magi couldn’t smother her light.

Where was he?

Crescent kept calm, sharpening her focus to locate Cyrillote’s presence.

He was trying to disrupt her vision to land a clean ambush.

Then—

A flicker of blue light.

She didn’t hesitate.

With one fluid motion, Crescent raised her sword high.

Her Holy Sword was at least three times the size of her old weapon—yet it felt featherlight.

It wasn’t unfamiliar.

It was hers from the very beginning.

She swung it naturally, as if it had always been a part of her.

The sword responded.

A bright pulse of light surged from the blade.

It moved as one with her.

But there was something she hadn’t anticipated.

An explosive force erupted from the sword.

BOOM!

The moment her blade clashed with Cyrillote’s bronze sword, a thunderous explosion split the air.

The shockwave rattled Crescent’s entire body.

“What the—?!”

How was it this strong?

Did I just unleash that power?

She had no idea how to control the full extent of her strength yet.

She had simply swung hard—and the sheer destructive power had gone far beyond what she expected.

Cyrillote, too, had changed.

Before, it had felt like he was merely matching her strength, as if holding back.

But now—

Now, he was fighting with everything he had.

Crescent gripped her sword tighter. The Holy Power blazed along the blade, scattering in flickering sparks of energy.

And then—

Crack.

A sharp sound rang through the battlefield.

A sound loud enough to shake the sky.

Her eyes darted to the source—

Cyrillote’s sword.

It had cracked.

The weapon of a third-ranked demon in the Demon Realm was breaking apart.

"!"

The knights watching from the sidelines were stunned into silence.

Even the villagers had gathered behind them, drawn to the intensity of the battle.

But no one—not even the knights—was more shocked than the onlookers in armor.

"Crescent… had this kind of power?"

"That’s impossible… Since when?!"

"I've never seen divine power like that before…"

No one could form a coherent thought.

Adrian—who had been fretting over Crescent’s safety—now stood in complete awe.

Even Reuben Pluto and the other knights were left speechless.

Only Meteor was struck by a different kind of shock.

"The Demon King’s daughter… has this kind of divine power?"

This wasn’t just the strength of a Holy Knight.

This was something else entirely.

At that moment, Cyrillote suddenly withdrew his sword and vanished.

Crescent immediately snapped her head around, searching for him.

Had he fled?

No—his voice soon rang out from the shadows.

"Crescent. You’ve suddenly awakened completely. Congratulations."

His tone was warm, almost genuine—as if he truly meant it.

Crescent nearly choked on her disbelief.

But she kept her voice light.

"I guess I just wanted to kill you that badly."

"Perfect. That means the other Holy Knights can just sit back and watch. You're the only one I want to fight."

BOOM!

Before Cyrillote could even finish speaking, Crescent attacked.

The moment she pinpointed his location, she swung down her Holy Sword with full force.

Cyrillote must have sensed her movement—he countered immediately.

Their swords collided in a fierce clash of steel and light.

But Crescent was relentless.

She swiftly retreated, only to lunge forward again, striking at the gap in his defense.

Yet—

Cyrillote was just as quick.

It was almost unnatural—as if he was reading her mind.

Every time she moved, he matched her pace.

Still, she kept up the pressure.

Again and again, radiant bursts of divine power exploded from her sword.

And yet—

No matter how much she used, her power never ran out.

She could go stronger.

Higher.

Faster.

Where was the limit of this strength?

It was like she was testing her new abilities—pushing further, harder, more.

She felt weightless, as if she could soar into the sky at any moment.

And then—

It happened.

A flash of instinct.

An undeniable premonition.

This time, she wouldn't miss.

She saw Cyrillote’s opening.

A perfect vulnerability.

For the next few seconds—

As long as she kept attacking—

He would die.