Mushoku Tensei: Reincarnated as a Beast Race

Chapter 153 - 153 - A Hero's Guide to Defeating Immortal Demons

POV: Rygar Adoldia

When I advanced on the Demon King, I could see in his expression that he expected me to use one of my three swords, just like all the other opponents he faced today.

But I was in no hurry. And, to his surprise, the attack came with bare fists.

I gathered my touki into my fist with a familiar precision.

It was an unarmed technique of the Beast God Style. The Demon King did not hesitate and met my fist with his, unafraid.

That was his mistake.

The moment our fists collided, a shockwave ran through the battlefield. But I overpowered him.

His arm twisted under my strength, and, stranger still, the impact crushed him from the inside out.

I couldn't see with my Magic Eye because of his strange immunity, but I was almost certain he was using touki.

Adding touki to his immense physical strength as an immortal demon, few would dare face him head-on.

Unfortunately for him, this technique was called Violent Impact, based on concepts I saw in anime from my previous world: the Internal Impact of Haki in One Piece, Tsunade's chakra enhancement, among others.

It required refined control over touki, and its effects were devastating.

Beyond the external blunt power, the internal damage was almost unavoidable. I created it with the goal of penetrating the Saint Dragon Battle Aura that the Dragon God used, and I improved it every day.

Furthermore, my physical strength was no less than Badigadi's. It might even be greater. Hard to say, since we both used touki.

"Bwaahahahaha! You're going to face me with fists?! That's my specialty!" he shouted excitedly, unaffected by having his arm crushed.

I merely smiled in response.

Our fight grew increasingly violent as our punches collided and we moved across the battlefield.

I was faster, but Badigadi had more arms. Four more. The shockwaves cracked the ground beneath us, and if we were on normal terrain, we were probably reshaping the surrounding landscape with our impacts.

I tested other unarmed techniques—fangs, claws, punches.

I put the unarmed styles of the Beast God Style and the North God Style to the test against the demon.

Obviously, he outmatched me by a hair, but I expected as much.

After all, fighting with fists was his main style and he had six arms, plus that absurd regeneration and vast experience, I didn't expect to beat him in fist techniques.

If I really wanted to, I might be able to fight a war of attrition—hit and run—using Prediction and Wild Dash of the Beast God Style; I could win.

At one point, he hit me full-force with two fists, sending me flying. But I spun in the air, and my feet scraped the ground as I recovered.

And I was smiling.

"Okay... now let's get serious..."

I drew two of my swords: Tsukikage and Water Mirror.

Two renowned blades, ranked among the 49 legendary swords forged by the King Dragon King Kajakut.

Badigadi was already charging at me, excited. And our battle resumed.

With my senses heightened to the limit, I could clearly see in the eyes of all the spectators, most of them in shock or fascinated by our fight.

It was not every day you saw a clash of that level.

Gall Farion's demonstration of skill was impressive and showcased his power and absolute mastery as Sword God.

But the abilities I displayed were diverse and mixed, creating a much more impressive visual effect.

As soon as I wielded my swords, the balance shifted.

The combat, which had been fierce and evenly matched, became almost one-sided.

In the first move, I combined Wild Dash with the Longsword of Light, fusing speed and cut in a single explosive strike.

I advanced like lightning and cut Badigadi in half horizontally, separating his lower and upper halves at the waist.

The ground beneath our feet, even reinforced with my earth magic, did not hold.

Violent cracks spread, snapping under the force of my charge. It was easy to imagine the damage if we were on ordinary soil.

But after that devastating blow, I did not continue my attack immediately.

Not because I couldn't, but because I thought it would really be a waste.

"It would be a shame if he admitted defeat before I could test everything I have..." I thought.

To some, it might seem cruel.

To me, it was opportunity. And by Badigadi's constant smile even as he was cleaved in two, he was thinking the same.

Rarely did I have the chance to fight to the death against someone who could even keep pace with me over these last two years.

The dragons I fought didn't count—they were beasts. Pure instinct. No technique.

From the few interactions I had with the Demon King and the quick analyses I made of him during his battles, it was clear: he was a lover of combat.

A warrior in essence. That made me sympathize with him. After all, I was the same, since my reincarnation.

Even now, training with the primary motivation being to kill Orsted for what he did to Eidar, I still enjoyed combat.

And since my time in the Great Forest, I had this in mind: to become stronger.

Because in this world, being weak is a sin. A burden. A death sentence for anyone who wishes to be truly free and unrestrained.

Badigadi regenerated in an instant. His thunderous laughter echoed across the battlefield as he charged at me, fists clenched.

I smiled, adjusting the weight of the swords in my hands, and met him head-on.

But he didn't hit me. Not once.

I was using Prediction of the Beast God Style nonstop. His attacks came in bursts, multiple angles with his six arms, but they all failed.

If he couldn't even touch Ghislaine at her peak, then he was far less likely to touch me.

My proficiency was far superior, my speed with Wild Dash was simply insane. He could barely keep up.

My cuts passed through him with absurd ease. The Longsword of Light, with its incomparable power, amplified my reach, penetration, and speed.

If I wanted, I could have defeated him 'definitively' several times during our exchanges. But I held back.

I forced myself into difficult situations. I traded blows on purpose, testing my limits.

And then I responded with secret techniques from the Water God Style, but only the ones I had already completely mastered.

I mixed them with attacks from the North God Style—sword throws, surprise dagger strikes, quick feints and unpredictable counterattacks.

I avoided using Nighthunter. I didn't know if its effects would work against an immortal pureblood demon like Badigadi.

I didn't want to risk canceling his regeneration and accidentally killing him.

I really... liked this guy. He was free. Wild. Determined. The kind of person who lives as he wants—exactly as I try to be. As my master taught me to be.

Badigadi laughed between blows, even being shredded nonstop. "Hahahaha! You really remind me of Laplace fighting! You know so many techniques!"

Even taking the beating of the century, he did not back down. He kept trying, seizing every tiny gap to grab me, hit me, or just push me.

Every punch he missed, every time his arms passed inches from me, was followed by another cut. And another laugh.

As if each cut was only the price of fun.

The battlefield trembled under our feet. The fight was more spectacle than combat. Neither of us was holding back.

Even Reida watched with interest—and that's not to mention the others around the field.

My physical endurance easily surpassed Ghislaine's, so, even with the increasingly brutal pace, I showed no signs of fatigue.

It was a dance of violence and precision, where I controlled the tempo.

Each exchange of blows was an opportunity to test something new, experiment with variations, apply ideas I had shaped mentally over countless trainings and fights.

Badigadi, to his credit, tried to adapt all the time.

His six arms moved at high speed, his eyes scanning my body and my pattern of movements, but the problem for him was simple: my rhythm was too fast.

I outmatched him in speed, in precision and, most importantly, in technique.

I tested simple, direct and cruel strikes; I tested combinations created by fusing between styles—Beast God Style, Water God Style, North God Style—all mixed in a constant flow.

Lethal techniques flowed as if they were part of a meticulously rehearsed choreography.

In a short time, it became evident. This was not a fair fight—it was like an adult playing with a child.

No matter how much Badigadi tried, he couldn't catch up with me. Each time he regenerated from a cut, a new wound cut through him.

Every attempt at a counterattack was nullified before it could begin.

It was at that moment that I heard Reida's voice, murmuring to Gall Farion:

"I think that even if I use the Realm of Deprivation Sword, I can't beat this kid in swordsmanship..."

She sighed and then looked at the Sword God:

"The mission of holding back his momentum for a bit longer is yours..."

Gall raised an eyebrow and laughed with his typical arrogance, but... there was a subtle trace of concern in his eyes.

And my fight with the Demon King continued, at an increasing pace.

At that point, I decided to test a more sophisticated technique, one I had been training and theorizing for a long time.

I sheathed Tsukikage and remained with only the Water Mirror in position.

This sword enhanced my focus and mana control just by wielding it; it was essential for executing the technique I intended to perform.

I stood still, waiting for his attack. I would attempt a blended technique now.

One of the components of this technique was Instant Flow, one of the Five Secret Techniques of the Water God Style.

It was one of the techniques Reida used in her supreme technique: the Realm of Deprivation Sword.

Instant Flow consisted of countering any murderous intent or direct strike at the very moment it was perceived.

The technique required absurd mastery over flow and extremely refined environmental sensitivity.

It was the first secret technique I mastered after arriving at the Sword Sanctuary because I knew it suited me best.

But the technique I sought to use now wasn't just that. It consisted of three fundamentals: Instant Flow, the Longsword of Light, and the Savage Slash.

It required an almost absolute mastery of all three for it to work—and I had it.

Savage Slash manipulated touki explosively, making an aggressive transition between the neutral state and the absolute attack state.

I mixed that concept with the Longsword of Light and expected to be able to react perfectly with Instant Flow, immediately shifting to the Longsword of Light state.

A seamless and fatal transition. Effectively, I was blending three distinct styles into an extreme technique.

Of course, there were limitations. The posture required had to be perfect.

It was a somewhat inefficient technique in fights with multiple targets or undefined angles, but in a one-on-one duel, with ideal timing, it bordered on divine.

Badigadi came at me with seemingly infinite energy, roaring like a force of nature.

I took a deep breath, and for a brief moment, closed my eyes. The world around me disappeared.

All I felt was the fiery fighting spirit in front of me. Then, I moved.

In my perception, the movement was slow—but to everyone else, it was in a blink.

A ringing echoed through the arena.

The silver blade of the Water Mirror was drawn in a precise gesture. Badigadi, who had leapt toward me, was cut in half diagonally, through the chest.

A shockwave burst from the impact, raising dust and stone fragments. The impact echoed throughout the arena.

Reida and Gall Farion stood up simultaneously, looking genuinely shocked. They were the only ones who truly understood the magnitude of what I had just accomplished.

But I no longer saw anyone else. In my mind, there was only my enemy. I felt his will to fight persisting.

The small Badigadi, reborn from his lower half, laughed as he ran to join his upper half.

But he didn't get there.

Instinctively, I cut again as I sensed movement. The same blended technique, with even more precision.

A second shockwave swept the area. The cut now came vertically, opening a fissure in the ground as if a god had passed through. The cut split the world in two along its path.

Silence.

No one said anything. The dust covered the arena like a sacred veil. A Saint of the Sword murmured:

"He really killed him...?"

No one responded.

And I didn't hear. My focus was still on Badigadi's aura. Then, he appeared.

Even smaller than before, truly a Mini-Badigadi, half my size, he jumped from a corner and, laughing, shouted:

"BWAAAHAHAHAHAHAHA! What a crazy technique! How does one get through that?! HAHAHAHA! I admit defeat!"

At that moment, my trance broke. I took a deep breath and noticed the enormous fissure in the ground. I must have aimed the cut at the ground without realizing, since Badigadi had shrunk.

Half dazed, sword still in hand, I commented:

"But there are still some techniques..."

Badigadi responds, still laughing, "Don't worry kid, I'll stick around for a while, we'll have time to train! Forget that, what was the technique you used last?"

Everyone seemed interested in the answer.

"Ah... it's a technique I've been trying to create for some time..."

The demon asks, "Does it have a name?"

Rygar thinks for a moment and says, "The name is Instant Light Flow."

Badigadi let out another thunderous laugh and then declared:

"Hahahahah! I get it, that's an excellent technique! I, Badigadi, the Immortal Demon King, bestow upon the Red Wolf the title of Hero!"

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