The Knights of the Round Table Are a Professional World-Saving Team

King Arthur, tasked with defeating all evil, and the wielder of the Holy Sword of the Stars, acts to save the world.

In a situation where the old world faces destruction and a fragment of humanity's evil has awakened, the conditions for his appearance here have been met. Through Naoki, who is bound to him, and the authority of the Counter Force, he was brought across space and time directly to the heart of the conflict.

This is their last hope, the final battle of the old world.

"You've finally come, Manaka. It's time to end this."

"You can't defeat me, Natsukawa-kun, even with the power of the Holy Sword."

[Manaka] smiled and shook her head. Mana surged from her crown, and the ground around her instantly cracked. Giant thorns, like massive sea serpents, burst from the earth, forming a dense, enveloping web around them!

In terms of mass, each thorn weighed hundreds of tons, with a hardness rivaling the defensive treasures in the Gate of Babylon. Even the Holy Sword couldn't cut through them.

Though Servants are mysteries beyond common sense, in [Manaka]'s heart, she had countless ways to counter them.

*BOOM!*

The terrifying mass crashed down, instantly unleashing deafening roars and tremors within the barrier. The ground shattered in moments, and the thorns wove a crisscrossing network across the surface.

Even Aoko and the others outside the barrier could feel the vibrations within.

And as the billowing dust cleared—

*SWOOSH!*

A golden light tore through everyone's vision. A radiant sword beam shone like a rising star. Clutching the Holy Sword tightly, Naoki stood amidst the ruins, surrounded by fragments of shattered thorns.

Releasing the true name directly?

"No, just activating the Holy Sword's power? I underestimated him."

*WHOOSH!*

In the midst of [Manaka]'s whisper, Naoki suddenly stepped forward and leaped high into the air. The Holy Sword's light enveloped his entire body, transforming him into a golden meteor shooting toward her at incredible speed.

"AAAAAAAaaaaaa————————!"

With a low roar, the seven heads of Beast VI/S ignited simultaneously. Flaming meteors erupted like seven aligned stars, blocking Naoki's path.

His vision was obscured by flames, the unbearable heat scorching his body. If not for Avalon's protection, his body and armor would have been incinerated.

(Then I'll just cut through!)

Facing the seven meteors blocking his view, Naoki swung his sword. The Holy Sword's glow extended ten meters, its massive blade of light slicing through space relentlessly like a hot knife through butter!

*BOOOOOOM!*

The seven meteors were cleaved in two. The exploding firestorm instantly engulfed Naoki's figure. But in less than a second, the brilliant blade of light swept out again, clearing the entire blaze.

With most of his armor burned away, Naoki, his body scorched, emerged from the sea of flames!

*SWISH!* *SWISH!* *SWISH!*

Suddenly, countless streams of light flowed through the air, instantly forming chains that bound Naoki's limbs and body. One of Beast VI/S's heads extended at godlike speed toward him, its abyssal maw nearly swallowing him whole!

Deadly poisonous mist, along with dripping saliva, touched Naoki's body, rapidly corroding and damaging it!

[Master!]

(I know—)

"Ergh... Ah—!"

*KRAK!*

The hand gripping the Holy Sword exerted all its strength to break free from the chains' restraints. Before new chains could bind him again, Naoki thrust his sword into the beast's head attempting to swallow him. A flood of light instantly filled the beast's maw, wildly shattering the entire head of Beast VI/S!

Cracks rapidly spread across the surface of the head, light bursting from dozens, hundreds of fissures!

"Go... away!"

With Naoki's roar, the already blinding holy light surged even brighter. The overwhelming radiance far exceeded what a single head could withstand. Even the remaining six heads, arriving too late, were useless!

*BRAK!*

One of the seven heads shattered into pieces! Countless chunks of flesh and a rain of golden blood drenched the sky of the giant chamber.

And amidst this unusual rain of golden blood—

*WHOOSH!* *WHOOSH!* *WHOOSH!*

Using the vanishing flesh fragments as footholds, Naoki's lightning-like figure darted through the pile of remains, closing in on [Manaka]! Though his hands and feet were still tangled in broken chains, his speed was astonishingly fast!

The gleam of the Holy Sword of the Stars grew larger in her eyes.

(Burning Mana directly to unleash abilities beyond normal conditions. Such resolute determination is admirable, but to stop me, such [self-sacrifice] readiness isn't enough.)

"AAAAAArrrrrrr————————!"

The remaining six heads let out a sky-shaking roar. Whether an illusion or a trick of the eye, to everyone present, a pure white city, continuously collapsing, appeared above [Manaka]. As the city crumbled, the entire space within the barrier visibly began to collapse.

[The Fall of the Holy City]

Applying conceptual destruction to the entire space, dragging everything within into an inescapable conceptual collapse. This was grand Magecraft impossible for modern Magecraft, belonging solely to the domain of the most ancient Magecraft.

"Perish with this world, Natsukawa-kun."

"…"

Naoki's body felt as if it were cracking, fissures appearing across it. Already heavily wounded in this space, he was inevitably heading toward destruction.

Avalon's healing could no longer keep up, and there was no energy left to activate the scabbard's power to accelerate recovery.

If he couldn't be saved, then…

(Fight to the death!)

"The thirteen seals are released, the Round Table assembly begins!"

The target wasn't [Manaka]. If it were, the seals couldn't be fully released. This time, the target was the very existence of this world!

To cut through this new world! The Holy Sword could surely do it!

The Holy Sword's light shone brighter than ever. [Manaka] narrowed her eyes. Illusory chains materialized again, but this time they appeared only briefly before vanishing!

Outside the barrier, Arcueid suddenly staggered, as if completely drained.

(That princess—damn it, even knowing it'd come to this, it's still overwhelming!)

Omniscience and omnipotence didn't mean she could truly do everything, especially when [Manaka] had to maintain the world's rebirth and could only use part of her power to face enemies. Losing focus on one thing for another was inevitable.

Moreover, some things, though known, couldn't be changed.

[Gawain, Mordred, Bedivere, Lancelot, Agravain, Galahad—Arthur]

[This is a battle to save the world—go, Master!]

The Holy Sword was unleashed!

"Ex—"

(This was anticipated. As planned, not to counter it, but to minimize the impact as much as possible while watching the Magecraft of the Magus—)

Layers of shields unfolded before the Holy Sword.

(After this attack, it'll all be over. Just wait for the world's rebirth to complete—)

[Damage detected, external interference confirmed, initiating repairs…]

Suddenly, a voice like that came through a spiritual channel. Before [Manaka] could confirm what damage it was, a massive repulsive force surged through the leyline toward her.

"This—"

The shield's construction paused for a moment.

"—Calibur!!"

The light of the stars surged forth!

The Holy Sword blazed in the sky!

Countless shields were obliterated with tremendous force. The world-saving light instantly engulfed all other existences!

The Holy Grail, the Holy City, Beast VI/S, the Princess… all were submerged in the light of the Holy Sword.