Several days had passed since YORU's breakthrough. Aside from occasionally chatting with Tsunade to strengthen their bond, he spent nearly all his time inside his room training.
Given YORU's current status in Konoha, someone delivered freshly roasted meat to his doorstep every day.
The ninja assigned to this task had been completely stunned when he first received the order.
He had never seen anyone eat that much.
And every time he came, he would only dare to leave the food at the door before quickly fleeing.
Are you kidding me? There's thunder and lightning crackling inside—who would dare go in?!
Yes, YORU continued to train his body daily using lightning stimulation. After all, becoming strong wasn't just about fighting—consistent, grueling training was equally essential.
The rumbling thunder gradually faded.
YORU frowned as he sensed the changes in his body. Ever since his second breakthrough, he could clearly feel that the effectiveness of the lightning stimulation method was decreasing.
Compared to true high-level lightning body refinement techniques, this method had its limits.
After all, the lightning generated by chakra had a relatively low upper limit.
"Then… can I combine them?" YORU murmured, beginning to think about a new training method.
Ever since he obtained the lightning stimulation method, he had abandoned the Body Limit Training Method because of its rapid results.
But now, thinking back, he realized he might have fallen into a misunderstanding.
After all, the monsters of the One Piece world relied on that method to reach terrifying levels.
The lightning method brought explosive growth early on, but now its progress had slowed significantly.
YORU decided to return to the body tempering method.
"Let's try it."
His eyes flickered with determination.
This time, YORU began performing the specialized push-ups from the Body Limit Training Method.
But unlike before—
He simultaneously activated the lightning stimulation.
Crackling sparks burst out from every pore of his body.
With each movement, he felt an intense numbness spread through his muscles.
Every repetition required his full strength.
Gradually, under this extreme training, his muscles began to tear apart. Even his bones struggled to endure the terrifying pressure, forming fine cracks.
Just as YORU endured the tearing pain—
A familiar recovery force erupted from within his body.
His muscles rapidly regenerated, and the cracks in his bones healed.
The newly formed muscles became stronger. His bones grew tougher.
His heart pounded violently, enhancing the resilience of his internal organs as well.
Eighty… eighty-one… eighty-two…
YORU felt as though he had returned to the time when he had just started training.
Every single repetition pushed him to his absolute limit.
This long-lost feeling made him extremely excited.
It had been too long.
Too long since he had felt this sense of challenge.
Ever since using the lightning stimulation method, his progress had been fast—but with his abnormal recovery ability, it had never truly been challenging.
All he needed to do was endure the pain.
And pain… could be adapted to.
It would eventually become numb.
At times, YORU had even grown tired of this method. But for the sake of becoming stronger, he had endured it silently.
But now—
Everything was different.
His fighting spirit ignited completely.
Every repetition after reaching his limit was a breakthrough beyond his limit.
This feeling exhilarated him.
Under this state, his spiritual energy began to change subtly.
A new power seemed to emerge—
Conviction.
It was hard to describe.
But one thing was certain—
Every strong individual possessed their own conviction.
This growing force of conviction merged with his physical energy, forming a new type of power.
One hundred thirty-three… one hundred thirty-four… one hundred thirty-five…
Finally, YORU reached his limit.
He collapsed onto the ground, his entire body drenched in sweat. The floor beneath him was soaked, forming a small pool.
"Haa… haa…"
He gasped heavily, his chest rising and falling like a broken bellows.
"…Hm?"
YORU suddenly looked at his right hand in confusion.
Something… felt different.
He turned his gaze toward it.
At the tip of his index finger—
A faint black color appeared.
"This is—!"
His pupils shrank violently.
"Armament Haki!"
YORU stared blankly at the blackened fingertip.
Though extremely weak—
He was certain.
This was Armament Haki.
"So that's it…"
YORU muttered, finally understanding.
No wonder he had already awakened Observation Haki long ago, yet could never manifest Armament Haki.
To use this power—
One must possess the conviction of a true strong individual.
Looking at the One Piece world, those with powerful Armament Haki all had unwavering beliefs—absolute confidence in their ability to overcome everything.
And why had Gecko Moria lost his Haki after being defeated by Kaido?
Because his conviction had been completely shattered.
YORU's physical strength was already sufficient to awaken a weak form of Armament Haki.
The reason he had failed until now—
Was because he had taken what seemed like a shortcut.
In reality, it was the wrong path.
Numbness.
His training had lacked the will to break through everything.
He had relied on a routine process—once the lightning stimulation reached a certain level, he would naturally break through.
But such a method—
Could never forge an invincible conviction.
YORU stared at his fingertip, lost in thought.
From now on—
He would strengthen his body through relentless training.
And forge his conviction through battle—tempered by the blood of his enemies.
His eyes grew resolute.
Training would make his body stronger.
Battle would make his conviction unshakable.
As long as he continued to grow—
His Armament Haki would one day rival the true powerhouses of the One Piece world.
At that moment—
YORU's heart was undergoing a transformation.
A true strong individual was not defined by power alone—
But also by an unbreakable will.
No longer dwelling on it, YORU stood up, walked outside, and brought in the food placed at his door.
He began devouring it, rapidly replenishing the energy he had just consumed.
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