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I Killed the Demon King. It Was a Mistake. Chapter 25

I Killed the Demon King. It was a mistake.

Chapter 25

As Gilbert flew towards Caesar, Caesar lightly dodged his attack and brought down his axe.

Clang-!

Caesar’s axe dug into Gilbert’s shield.

But it didn’t break.

Gilbert laughed like a demon.

“Die!!!”

Gilbert’s prosthetic hand flew towards Caesar’s forehead like lightning.

Thud!

But Gilbert’s right arm was also blocked by a shield.

Crack.

Rather, due to the recoil, something in the prosthetic made a breaking sound.

“Why, why is this…”

“Damn it.”

Caesar swung his axe horizontally towards Gilbert’s side.

The shield that was supposed to protect him betrayed Gilbert.

Crash!

The shield couldn’t withstand the impact and shattered like glass.

As the axe tried to bite into Gilbert’s side, Gilbert hastily withdrew his arm.

Caesar’s axe collided with the prosthetic, and Gilbert flew through the air.

Whirr…Crackle.

It was good that he barely blocked Caesar’s axe, but his elbow was hit, and he couldn’t lift his arm.

“Looks like a limp dick. Quite familiar, isn’t it? You see it all the time in bed.”

“W-Why did the shield break?”

“This is what happens when you use an artifact without basic knowledge of magic, you idiot.”

When a shield activates, it absorbs all impacts from inside or outside.

Even magic spewed from a wizard’s wand.

That’s why when using a shield, even wizards are extremely limited in the types of magic they can use.

“You bastard!”

Gilbert pressed the yellow button and charged.

He was so fast that even Caesar momentarily lost sight of him.

Gilbert moved behind Caesar, pressed the red button, and lifted the prosthetic with his left arm.

“Die!”

A red flash gathered in his palm.

It seemed like it would pierce Caesar’s heart at any moment.

But it was enough time for Caesar’s axe to react.

Caesar’s axe came flying with a sharp sound, tearing through the air.

It was Noisy Silence.

The axe mercilessly struck down on Gilbert’s prosthetic.

Whooosh!

The high-temperature flash melted the floor and dug deep.

Gilbert tried to lift the prosthetic but couldn’t move.

Caesar followed up by slicing Gilbert’s right shoulder with the axe in his right hand.

Slash-!

As the shoulder was cut off, blood spurted from Gilbert’s right arm.

Caesar kicked him away and examined the prosthetic.

He thought he’d seen it somewhere before – it was a mass-produced prosthetic from Gale Magic Tower used by prosthetic knights.

Although it was button-operated, it had acceleration buff magic, shield, strength increase buff magic, and finally, a piercing flash.

It was fortunate that it ended up in the hands of an ordinary person who hadn’t even learned body reinforcement techniques. If it had fallen into the hands of prosthetic knights, it would have been a real hell.

“Aaaaargh!”

Despite losing his right arm, Gilbert charged like a mad dog.

Caesar delivered a low kick towards Gilbert’s left leg.

Crunch.

Gilbert’s thigh was crushed, and he fell.

“Aaaaargh!”

But Gilbert crawled towards Caesar as if he couldn’t feel pain.

It was like watching the movie Terminator.

Caesar stomped on his body and brought the axe to his neck.

“Gilbert. Did you know you’d die if you used this?”

“I will definitely kill you! I will definitely!”

He wasn’t listening at all.

Whatever drug Gilbert had used, it was clearly one that turned people into maniacs.

No, he was already crazy, so maybe it just had a painkilling effect?

Caesar used psychometry.

-Kill Caesar.

-Kill Caesar.

-Kill Caesar.

-Kill Caesar.

-Kill Caesar.

-Kill Caesar.

No matter how he thought about it, normal conversation seemed absolutely impossible.

He had originally planned to extract information about Viscount Duken from him using psychometry, but it was impossible in this mentally broken state.

Caesar looked into his eyes.

The pupils were deeply tinged with purple.

It was a symptom of demonization.

Demonization refers to the mutation that occurs when magic penetrates the brain of all intelligent life forms, including humans.

Of course, this is a magical explanation, and the exact cause hasn’t been identified.

It’s true that magic causes some abnormal function in the brain, but if that were the case, technique knights would have already become demons, which doesn’t match the theory.

Instead, there’s a theory related to ’emotions’.

It’s a less refined theory that when emotions are heightened, magic affects the brain in some way, leading to demonization.

Whatever the case, the important thing was to kill him before he became a complete demon.

“No choice then.”

Caesar brought down his axe towards his head.

“Die…!”

Thud!

Caesar’s axe brutally split his head vertically.

It was an anticlimactic end compared to what he had done, but…

It was nonsensical in the first place for an ordinary person to use a prosthetic artifact for this long.

Acceleration magic and strength increase magic put tremendous strain on the body, so even Raven didn’t use these buff magics often.

Yet he had been using them constantly and rampaging like a madman, so it’s amazing he didn’t die earlier.

Caesar roughly wiped the blood and oil off his axe on Gilbert’s clothes and examined the prosthetic closely.

“It was a Delta model.”

No wonder the joints were shattered instantly by Caesar’s axe.

The Delta model was the cheapest type made from magic steel without any Terra content, even among the budget models.

Well, no matter how rich Viscount Duken was, he wouldn’t have given him Alpha or Beta series.

Of course, even the Delta model costs nearly 500,000 del, so it could be considered an over-investment.

“Sir Caesar!”

The police officers came running.

Among them was Serom, the police chief of Smithmoor City.

“Are you alright?”

“I’m fine. By the way, what’s the situation?”

“Many officers were hurt by this guy, but we’ve almost wiped out all of his organization members.”

“Is that so? Then I guess there’s no need for me to help anymore.”

“Yes, that’s righ… Huh?”

Serom and the police officers point behind Caesar.

“H-How…”

“What’s wrong?”

Caesar looked behind him.

There stood Gilbert, his head split in half.

His unfocused eyes were emitting a distinct purple light.

He had become a demon.

“Run away now…!”

Ratatata.

Before Caesar could finish telling them to run away, the police officers and Ren were already fleeing without looking back.

Disloyal bastards.

But it wasn’t the time to complain.

Clank- Clank-

A prosthetic arm flew and attached to Gilbert’s severed right arm.

And his split head merged into one as he looked at Caesar.

“Ca, Caesar…”

This is insane.

Is this the start of phase 2?

By the way, how is he still alive after I split his head with an axe?

It’s an incomprehensible situation, but what’s done is done.

If Caesar can’t avoid fighting the demon, he needs to be on high alert.

Caesar took a deep breath to make his body as sensitive as possible.

It’s not actually the first time Seo-han has faced a demon.

During the Demon Realm War, there were always allied soldiers who went berserk after becoming demons in every battle.

Although there were heresy inquisitors and holy knights from the Order waiting to specially deal with those who turned into demons, they couldn’t just stand by and watch their allies die until those guys arrived.

Seo-han didn’t hesitate to throw his axe and kill an ally the moment they became a demon.

…Should I switch to Barre’s body?’

It’s very dangerous to face a demon with Caesar’s body since demons have various abilities.

It might be better to face it with Barre’s body as there’s a risk of death.

But there are too many eyes watching around.

Even though he told them to run away, there were some stubborn ones who wanted to witness this battle of the century between Caesar and the demon with their own eyes.

The moment he changes into Barre now, they’ll realize that Caesar is a doppelganger.

Then there’s only one way.

The first strike is the winning strike.

Before Gilbert could fully regain his senses, Caesar leapt off the ground.

Caesar’s axe, carrying his full power, flew towards Gilbert’s head.

Zzzzing!

But the prosthetic arm activated, and a light purple shield blocked Caesar’s axe.

Kigigigik!

Caesar’s axe dug in a bit but didn’t break through.

“Caesar…”

A black horn sprouted from Gilbert’s head.

The demon is complete.

“This is crazy.”

Gilbert threw a punch towards Caesar.

Zzzzing!

Gilbert’s fist broke through the shield and flew towards Caesar’s forehead.

As Caesar used Noisy Silence. his axe hit Gilbert’s arm.

Clang!

It felt like hitting solid steel.

That prosthetic arm must have increased its durability due to the demonization.

The gust of wind from the axe tore into Gilbert’s ears and eyes, but he didn’t budge.

Instead, Gilbert rushed in to grab Caesar’s collar with his left hand.

Caesar cut off his hand with the axe in his left hand.

Gilbert’s left hand, made of flesh, was easier to cut off than expected.

‘Now.’

Caesar threw a middle kick with his right foot.

However, a quickly regenerated left hand caught Caesar’s right foot.

Gilbert threw Caesar.

Thud!

Caesar crashed into the ruins of a collapsed building.

“Ugh!”

It really fucking hurts.

But there was no time to whine about the pain.

A light purple magic began to appear in the palm of Gilbert’s hand.

Kwaaaang!

A beam of light, incomparable in size to the piercing flash he had fired before demonization, flew towards Caesar.

Caesar barely managed to bounce away and hide behind the building ruins.

“Huff… Huff…”

This is truly an absurd cheat ability.

Super regeneration ability and the ability to use all the magic in the prosthetic arm without incantations.

The reason that guy survived after being killed must be due to the super regeneration ability.

‘Think.’

You shouldn’t blindly trust game information, but there must be a way to deal with demons.

Seo-han started as a knight and became a holy knight, and had hunted demons before.

At that time, there must have been an explanation on how to deal with demons.

‘Was the first principle to understand the demon…?’

Demons might seem like their minds have completely collapsed, but in fact, it’s more like they become obsessed with a single action.

First, it was important to figure out what he was obsessed with.

Kwang!

At that moment, Gilbert tore apart all the ruins.

“Caesar… Kill…”

…I think I know what he’s obsessed with without having to think about it.

Then secondly, use an anointed weapon that can deal with demons.

But I don’t have that oil right now…

Gilbert disappeared.

But Caesar could tell.

He didn’t disappear, he just moved so fast that Caesar couldn’t perceive it.

Caesar swung his axe with beast-like reflexes.

As Noisy Silence activated, Gilbert’s prosthetic arm and Caesar’s axe collided.

Zzzing!

Caesar couldn’t completely block Gilbert’s attack and flew into the air.

But he couldn’t let his guard down.

Gilbert was already at Caesar’s landing point, showing how fast he was.

Caesar swung his axe down with all his might.

Caesar was inferior to Gilbert in terms of strength and speed.

Gilbert grabbed the blade of Caesar’s axe and pulled it.

Caesar, with quick judgment, let go of the axe.

Thanks to that, he could avoid planting his face on the ground, but he couldn’t block Gilbert’s kick.

“Ugh!”

Gilbert’s incredible leg strength sent Caesar flying like a skipping stone with a pain as if his ribs were shattered.

If Caesar hadn’t been a tank knight, his spine would have snapped, killing him instantly.

“Fuck…!”

Gilbert’s axe came flying next.

Caesar barely managed to regain his posture and block the axe.

Kigigigik!

Gilbert glared at Caesar and smiled.

“Caesar… Kill…”

Gilbert’s thick saliva and blood dripped onto Caesar’s face.

Some of it got into Caesar’s right eye and nostrils.

Snap.

Caesar heard something snap in his head.

It was the sound of his reason breaking.

“…This is really hurting my pride.”

Caesar is not an ordinary wandering knight.

Caesar is also Barre, the Barbarian Knight who smashed the Demon King’s skull.

He has three years’ worth of hard-earned know-how and skills from rolling around battlefields like a dog.

To be tossed around like a ball by these bastards, unable to take down a demon with just one horn on its head.

If this were a battlefield, a newly awakened demon like this would have lost its head with one swing of Barre’s axe.

Caesar’s black pupils emit a deep red light, and his red eyes burn even brighter crimson.

And his mouth opens.

“Uwoooooah!”

Caesar’s fierce roar shook heaven and earth, clearing all the dust in the surroundings.

At the same time, a terrifying power surged through Caesar’s body, and the sound of his heartbeat vibrated his eardrums.

Thump Thump Thump.

Steam rose from Caesar’s entire body as if it had become a steam engine, and a formidable power boiled up.

This was the Barbarian’s secret technique and awakening skill.

Berserk.

Caesar pushed the axe back forcefully.

Tung!

Gilbert looked at Caesar with surprised eyes.

He had clearly been overwhelming Caesar with strength until now, but now he was being pushed back.

Caesar gripped the axe with both hands and swung it down.

Kwaaang!

Gilbert blocked Caesar’s axe.

Gilbert’s knees bent, and the ground cracked in a spider web pattern.

Caesar’s aura flowed fiercely through the magic circuits, pouring into his muscles.

The magic herb components circulating in Caesar’s blood vessels rapidly dissolved and disappeared, forcibly widening the magic circuits.

As a result, he could feel the aura accumulated in his dantian disappearing like a tide.

This was both the advantage and disadvantage of Berserk.

It allowed him to pour aura into his muscles and bones like crazy, but the amount consumed was enormous.

Moreover, the strain on muscles and bones caused excruciating pain.

It felt like glass shards embedded in his muscles and blood vessels were thrashing about.

“This is exhilarating!”

But Caesar even enjoyed that pain.

He had lived longer as Barre than as Caesar.

He had experienced this level of pain in every battle.

The problem was the amount of aura.

Even though he had eaten a lot of magic herbs, considering the amount of aura left in his dantian, he could maintain this state for about 2 minutes at best.

But Caesar roared once more.

“Uwoooooah!”

Berserk, Second Stack.

Caesar’s muscles pumped up like balloons at his roar, tearing his clothes.

The effect of the second stack was the square of the first stack.

Of course, the amount of aura consumed also increased by the square, and so did the pain.

“Uwahahahahaha!”

But he laughs.

He laughs even louder.

Because he knew well that laughter was the perfect painkiller to eliminate pain.

Caesar’s axe flew mercilessly towards Gilbert’s head but Gilbert used a shield.

Clang!

Caesar’s axe mercilessly shattered the shield and flew towards Gilbert’s head.

Gilbert reflexively tried to block it with his axe.

Caesar slightly changed the trajectory to aim for the handle instead of the blade and swung down.

Crack.

The axe handle was cut off and flew towards Gilbert’s head.

Giiing.

As the prosthetic arm overheated, Gilbert’s body glowed light purple.

He had used an acceleration magic.

Caesar’s axe grazed Gilbert’s head, cutting off his nose.

Gilbert smiled faintly.

Now was the time for a counterattack.

“Caesa…”

“Uwoooooah!”

Berserk, Third Stack.

The aura accumulated in his dantian was depleted.

Even worse was the pain.

His eyeballs felt like they would pop out due to the exploding blood flow, and his whole body screamed as if submerged in lava.

His muscles declared a strike, saying it was impossible to move, but Caesar knew very well.

You can do it, can’t you?

Why are you trying not to?

Move if you don’t want to die.

Caesar’s muscles succumbed to his will and moved.

Caesar’s body flew like a massive shell.

Despite the acceleration magic in effect, Gilbert couldn’t catch Caesar’s movement.

He only felt the sharp pain running from his head through his heart to his groin.

Crack.

Then Gilbert felt as if his vision was spinning, and he flew into the sky.

He saw his headless body being sliced vertically.

Caesar…

His mouth gaped as his vertically split head slowly merged back together.

The super regeneration ability had activated.

“Uwahahahahaha!”

At that moment, a ghastly axe gleaming in the moonlight flew along with the laughter.

Caesar’s axe, along with thousands of sharp wind blades, minced Gilbert’s head.

Dozens, no, hundreds of blood lines were drawn as Gilbert’s head turned into an unrecognizable bloody mush and oxidized.

Only the horn that had been on Gilbert’s head fell off with a thud.

“I’ve wooooon!”

With a laugh full of ecstasy, Caesar fainted on the spot.


TL NOTE:

Schedule: Unknown for now!

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I Killed the Demon King. It Was a Mistake.

I Killed the Demon King. It Was a Mistake.

Score 9
Status: Ongoing Type: Author: Released: 2024 Native Language: Korean
[Congratulations on seeing all the endings of the Valent Saga.] [From now on, you can select the hidden origin ‘Demon Race’.] I was transmigrated into a Demon after falling into the game world and a whole 3 years have passed. The nameless Allied Forces soldier, Mil of the Sky Knight Order, Barbarian Knight Barre. And the doppelganger and spy of the Demon King's army, Seo-han, are all me. But I... "Y- you, what the heck... Bam!" I ended up blowing off the Demon King's head. Huh? This isn't right.

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