Demon Slayer: Strength Gained with Every Swing of the Sword

Feng Yu lay on the ground, gasping for breath. Though his body's self-healing abilities had reached their peak, the internal injuries caused by the punch from the Stone Demon still hadn't healed, and he had just used the unfamiliar second form of the Breath of Light.

His condition was worsening.

Not to mention, the strain of switching between two different breathing styles while slaying the Stone Demon had put an immense burden on his body.

"My body hurts so much… I'm so tired… I just want to close my eyes and sleep…"

Feng Yu widened his eyes and gritted his teeth, forcing himself to hold back a scream.

Yet the agonizing pain still came, continuously striking him, and Feng Yu dared not leave the area just yet. From what the Vine Demon had said, there was another Twelve Kizuki demon in the area, one even stronger than they were.

He wasn't sure if it was an Upper Rank or Lower Rank demon, but in his current state, he doubted he could even handle a Lower Rank.

He wanted to retreat down the mountain to recover and return to slay the demon, but each time he moved, the excruciating pain made it impossible to do so.

"Now that the Twelve Kizuki hasn't shown up yet, I can't just sit here and wait for death… This isn't my style…"

Feng Yu felt a slight unease as he sensed the gaze of someone or something in the forest, watching him.

"Pffft…"

Slowly, Feng Yu propped himself up, but once again, his internal injuries flared. He coughed, blood pouring from his throat.

"Chomp, chomp."

Feng Yu took a few healing pills, chewing them before swallowing.

For a moment, the powerful medicinal effects washed through his body, healing his wounds.

"Mmm…"

The overwhelming sensation caused him to let out a soft groan.

Then came the itching!

The kind of itching that felt unbearable!

It felt as though countless ants were crawling through his entire body. Feng Yu knew this was the blood and flesh of his body repairing itself, much like a wound healing over.

It was a good sign, but Feng Yu could barely stand it!

"Damn it! This itches so much!"

At this point, Feng Yu no longer cared about his image, pounding the ground desperately.

He tried to use the pain to distract himself from the itching inside his body.

"Bang! Bang!"

With each strike, the ground cracked beneath him, forming a deep hole.

Then, Feng Yu noticed a thick miasma filling the air.

A dark green gas rushed towards him, and wherever it passed, the trees withered visibly.

"This is bad… this miasma is poisonous!"

Feng Yu fought through the itching, quickly reacting by leaping onto the tree trunk to avoid the green gas.

"Oh? You can still move with such speed? You must be one of the Pillars of the Demon Slayer Corps!"

The miasma slowly dissipated, revealing a figure.

"Trouble…"

The one who appeared was no ordinary demon.

It was Lower Rank Three, Wakuraba!

His face bore three cross-shaped scars, and he wore golden earrings in his ears. More importantly, the large kanji marking on his eyes read:

Lower Rank Three!

"I've been watching you ever since you entered this forest. At first, I thought you were just an ordinary Demon Slayer Corps swordsman, but then you killed four of my subordinates and a bunch of regular demons. Now, I'm wondering how I should kill you…"

Wakuraba laughed coldly.

"Also, I noticed your blood seems unusually rich in energy, higher than most. You must be one of those rare blood types…."

"Who would've thought that the rare blood type, which you can't find even in a hundred people, would appear right in front of me, and in such a weakened state…"

"Am I lucky or what?"

Wakuraba's eyes gleamed greedily as he stared at Feng Yu, as if he could devour him whole.

"Hiss~"

"Your flesh must taste delicious…"

Feng Yu remained wary, watching Wakuraba carefully from a distance. He drew his Nichirin Sword again, ready to strike at any moment if the demon moved.

Right now, he only wanted to buy himself a little more time.

Every second counted in this battle.

If he could just delay things a little longer, his injuries would heal a little more.

Time was on his side now.

Seeing Feng Yu's actions, Wakuraba was in no rush, as if playing with his prey. His face twisted into a sickly smile.

"Delay all you want… the longer you drag this out, the deeper the poison will invade…"

Wakuraba knew Feng Yu was badly injured, but he wasn't sure if the swordsman had any strength left to fight back. When he had watched Feng Yu battle the Vine Demon earlier, he had noticed how the Demon Slayer preferred to conceal his true abilities.

His cautious nature reminded Wakuraba of his own, and he began to think about using his Blood Demon Art to slowly kill Feng Yu.

"No… something's wrong… the air here is poisonous…"

Feng Yu noticed something strange happening to his body.

Green spots were appearing on his skin, and his body's healing abilities were being restricted. The poison was continuing to spread.

He quickly tore his shirt and covered his nose.

"Oh… you finally noticed, huh? Demon Slayer…"

Wakuraba chuckled darkly, watching Feng Yu.

Feng Yu bent down, his knees shaking. Even covering his nose had no effect. The poison was a gas, perfectly blended with the air.

It was like a virus, infecting his cells, poisoning the oxygen he breathed.

"Hahaha, I forgot to tell you… this whole forest has been covered by my Blood Demon Art: the Withering Poison Miasma. From the moment you stepped into the forest, you've been inhaling the virus in the air!"

"Now, you can feel my beloved poison slowly destroying your body, huh? Hahaha!"

"At first, I wondered why you hadn't been affected by it… but I soon realized that as long as you breathe in the air here, you start growing green spots, and eventually, you'll turn into a puddle of poison! This poison is so powerful that even the great one praised it…"

Wakuraba's mind flashed with the image of a certain figure, and for a moment, a look of fear crossed his eyes.

"So that's it… no wonder there's always been a strange scent in this forest…"

Feng Yu now understood why there had been a peculiar odor when he first entered the forest. The entire area was shrouded in Wakuraba's Blood Demon Art.

This was indeed the work of a Twelve Kizuki demon—such a vast, deadly range for a Blood Demon Art.

Yet, Feng Yu wiped the panic from his face. When Wakuraba wasn't looking, he flashed a slight smile.

"Bang!"

Feng Yu collapsed to the ground. Wakuraba saw the green spots all over his face and assumed the poison had reached his heart.

This Demon Slayer was beyond saving now.

"Whoa, that was fast. You can't hold on anymore?" Wakuraba mocked.

Then, in a sudden burst of speed, he appeared in front of Feng Yu and kicked him away.

"So fast!"

Feng Yu was astonished. The demon's speed was so incredible that, in the blink of an eye, he had appeared right in front of him.

And Feng Yu prided himself on his own speed.

"Cough, cough…"

"You were a ninja before becoming a demon, weren't you?" Feng Yu painfully muttered.

"You're the first human to figure that out by watching my movements and deducing my past identity…"

Wakuraba said softly, his tone full of surprise.

Feng Yu understood. In the past anime, there was no introduction to Wakuraba except for his appearance as one of the Twelve Kizuki. The only thing known was that his fleeing movements and ability to anticipate escape routes suggested that Wakuraba's former life was extraordinary.

His speed, his careful thinking, his independent ideas, and even his thought of betraying his former master showed he was a man of courage, caution, wisdom—but also, a coward.

That was Lower Rank Three, Wakuraba, standing before him.

"You're quite impressive, but that's all you are!"

With that, Wakuraba advanced toward Feng Yu.

"Here's my chance!"

Feng Yu thought, then turned away, reaching for the remaining antidote pills…

"Thanks to Xiao Bai not eating the antidote pill..."

Wakuraba didn't know what Feng Yu was doing at the moment. He thought Feng Yu had become too weak to move, but unexpectedly, the man who had originally been lying on the ground suddenly rose and launched an attack.

"Total Concentration, Breath of Light, First Form: Moonlight Slash!"

Feng Yu's speed was so fast that he seemed to be a beam of light, rushing towards Wakuraba.

"Impossible!"

"Blood Demon Technique: Blood Shuriken!"

"Clang!"

Wakuraba reacted swiftly, using a blood-red shuriken to block Feng Yu's fatal strike.

Though the attack was blocked, Wakuraba was still blasted several meters away by the immense force.

Dust scattered, revealing his disheveled figure.

"Impossible! How could you not be poisoned?"

Wakuraba yelled in disbelief.

At this moment, Feng Yu's body no longer showed any green spots. The moment he took the antidote pill, all the poison was cleared away. His body had also mostly recovered.

"What a shame..."

Feng Yu muttered to himself as he saw his strike was blocked. He knew it would be difficult to find another opportunity to kill this demon.

"I was too hasty. I should've waited for him to come a little closer..."

Regret was useless now. Feng Yu could only press on.

Wakuraba, still disheveled, watched as Feng Yu not only avoided the poison but also seemed to have recovered. His mind couldn't figure out what was happening.

His eyes were wide with disbelief.

This man, one moment on the verge of death from poison, the next moment nearly killing him without a scratch—how could that be?

And the power of that last strike—Wakuraba suspected Feng Yu had been faking, just to set him up for a sneak attack.

"Despicable human!"

Wakuraba gritted his teeth and snarled.

"Heh, same to you. You poison me to deceive me, I pretend to be poisoned and injured to deceive you. Aren't we just laughing at each other here?"

Feng Yu shrugged helplessly.

"A joke? If it weren't for the antidote pill, I would've been dead by now..."

"By the way, this antidote pill is really powerful. I thought it would..."

"It's no wonder it's made by the system... truly a must-have premium product..."

Feng Yu thought to himself and quickly bought five antidote pills, spending a hefty sum in the Wanwu Mall.

"Very well, now I'm secure!"

...

"Die!"

Wakuraba shouted as he threw the blood-red shuriken from his hand.

"Bang!"

A loud crash echoed.

Everything the shuriken touched was sliced in half, but Feng Yu nimbly dodged and landed safely on the other side.

Before he could fully recover, another blood-red shuriken flew at him, followed by another, and then a third—five in total.

Each one was laced with poison, and the green smoke rising from the severed tree trunks showed how deadly they were.

"You're so poisonous!"

Feng Yu shouted back at Wakuraba.

"Hmph!"

Wakuraba didn't respond. Instead, he waved his fingers, and the shurikens he had thrown earlier returned, flying back at him.

As rows of trees fell to the ground, Feng Yu was forced to dodge with difficulty. Just as he landed, another shuriken came at him.

"This won't do. I'm exhausting too much energy, and my injuries still haven't healed..."

Feng Yu gasped as he dodged, his face showing apparent ease, but only he knew that each dodge strained his wounds.

His movements were slowing, and several times, he almost got sliced in half. His clothes were torn from the shuriken strikes.

Wakuraba seemed to have noticed this change. A look of delight appeared on his face.

"This human's speed has slowed down. I wasn't wrong—his injuries aren't healed after all..."

Time passed, and the once dense forest was now stripped bare from the battle between Feng Yu and Wakuraba.

"Now's my chance! Die, human!"

Wakuraba saw an opening, his hand releasing another shuriken as he leapt toward Feng Yu.

Feng Yu instinctively raised his guard.

Wakuraba's face lit up with a sly grin as he said, "You've fallen for it, human!"

Suddenly, Wakuraba disappeared from view, only to reappear behind Feng Yu with a shuriken aimed straight at his back.

"Riiip!"

A sharp pain surged through Feng Yu as he was struck.

Though he avoided the deadly blow at the last moment, he was still injured.

The intense pain hit him, and he quickly took an antidote and healing pill.

But before Feng Yu could recover...

Wakuraba attacked again.

It was the same move, but now the shurikens came from all directions, and Feng Yu couldn't tell which one was Wakuraba's true body. It was a deadly situation.

"This won't work. At this rate, I'll be killed..."

"Is it time for that move after all...?"

Feng Yu wiped the blood from the corner of his mouth.

Another round of attacks came, but this time, Feng Yu kept his eyes locked on the approaching Wakuraba.

The shurikens, moving at the same speed as Wakuraba, seemed ready to strike, and Wakuraba was smiling... but soon, his smile faded.

"Total Concentration, Breath of Light, Second Form: Radiant World!"

A blinding flash erupted!

Feng Yu lightly leapt into the air, avoiding the shuriken attacks.

Meanwhile, Wakuraba screamed in agony.

His body was sliced to pieces by his own shurikens.

"Ahhhh... My eyes!"

Wakuraba cried out, his eyes shut tightly in unbearable pain.

"What have you done to me?!"

The intense light had temporarily blinded Wakuraba.

"Ha... Ha..."

Feng Yu panted heavily, but his face was full of delight.

"Looks like this move could be a great weapon in the future..."

At this point, Wakuraba had lost the will to fight. Unable to see, all he wanted was to escape.

No longer concerned with reassembling his body, his head grew arms and legs and he quickly fled into the grass.

"Don't think you can escape!"

Seeing this, Feng Yu quickly pursued. This was his perfect opportunity to finish him off.

Feng Yu was fast, and Wakuraba, unable to see, moved much slower. He was quickly caught.

"Please, spare me... I swear I won't harm anyone again, please believe me..."

Wakuraba, still with his eyes shut, began begging for mercy.

"Do you really think so...?"

Feng Yu sneered.

"Be a good source for my strength upgrade!"

"Breath of Light, First Form: Moonlight Slash!"

"No!"

A final scream echoed through the forest.

Feng Yu collapsed to the ground, fainting from exhaustion...

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