Vibration Force.
This was the third method—and the final one.
It was also the method Yuuya had the greatest confidence in.
Buzz!!
Even after deliberately reducing the intensity of the vibrations to the lowest possible level, releasing vibration force inward from his heart caused Yuuya's vision to go black in an instant.
He nearly fainted.
But… he succeeded.
The "gate" at Yuuya's heart—what should have been the Gate of Death, the Eighth Gate—was forcibly torn open by the surge of vibration force, ripping a crack into it!
As he recovered from the near-unconscious state and sensed the completely different flow of power around his heart, Yuuya could no longer suppress the excitement and joy on his face.
Vibration force really could be used to open the first gate at the heart!
That meant that, aside from himself, there might not be another person in this world capable of cultivating such a reverse Eight Gates technique!
At this moment, the first gate at the heart had only been torn open slightly.
Yet the power surging from his heart was already many times stronger than before.
Moreover, as the heart's strength increased, the blood flow became more powerful as well, which in turn further strengthened Yuuya's body step by step, forming a perfect positive cycle.
This alone was already enough to thrill him.
But the benefits didn't stop there!
At the very instant the gate at his heart was forced open, Yuuya also sensed a powerful chakra being brewed there.
Chakra flowing within the heart itself!
As this chakra condensed, it fed back into his heart.
And with chakra reinforcing it, the heart began to beat even more forcefully, sending blood surging through his body!
This formed a second positive amplification loop.
Even Yuuya hadn't anticipated this.
"I never imagined that forcibly opening the gate would allow my body—which could barely cultivate chakra—to directly obtain such powerful chakra!"
Unrestrained joy appeared on his face.
He immediately thought of how the normal Eight Gates technique worked—breaking the restraints on the body's chakra to gain a temporary, explosive increase.
But what Yuuya had gained now…
was permanent.
Yuuya could clearly sense that the chakra at his heart had already reached the level of a genin.
With this amount of chakra, even in ninjutsu, Yuuya would completely shed his former fate as a failure!
It wasn't that he couldn't learn ninjutsu—it was that his chakra reserves had been far too small, making refinement and concentration impossible.
Now, with the heart gate not even half-open, his chakra had already increased dramatically—and without any deliberate refining on his part.
What a perfect form of power!
This chakra would be stored within the heart, continuously amplifying, reinforcing, and feeding back into the heart's strength.
And Yuuya instantly realized that as he opened the second gate, and even the third, his chakra would likely continue to increase accordingly.
The path he would walk in the future had never been clearer.
But for now, what he needed to do was completely open the first gate.
"Let's finish this in one go!"
Yuuya grinned with excitement, continuing to strike the gate with vibration force while simultaneously mobilizing the chakra within his heart. The two forces combined.
Boom! Boom! Boom!
The gate at the heart had already been torn open, and under this renewed assault, it collapsed like rotten wood—breaking apart in an instant!
Buzz!!!
In that moment, a powerful aura surged from Yuuya's body.
Might Dai, who had been guarding him nearby, was instantly shocked and turned to look.
The restriction at Yuuya's heart was completely released. Vast chakra brewed there, as though it were about to activate the Eight Gates Formation!
However, just as Yuuya had expected, the power did not fully erupt.
Instead, it dispersed into the other seven unopened gates.
Only by opening all seven other gates first, and then opening the heart—the Gate of Death—could one obtain the terrifying power of the Eight Gates Formation.
When used as the first gate, it was not an explosion—
but stability.
At this point, the first gate of the Reverse Eight Gates Technique had been completely opened!
Yuuya's chakra reserves leapt from nearly nonexistent to a level comparable to a genin.
At the same time, his physical strength, power, and speed all increased significantly.
It was an all-around enhancement.
If the previous Yuuya might have struggled against a genin, now…
a genin was no longer his match.
However, due to the sudden surge in power, Yuuya felt a slight sense of discomfort.
Pff!
Blood surged up from his chest, and he spat out a mouthful of blood—but there was no worry on his face.
Having just obtained genin-level chakra, it was normal for him to have difficulty controlling it.
Although the heart's restriction had been lifted, allowing it to release greater power, it had not yet been strengthened enough to fully withstand that power.
But as chakra and the heart continued to reinforce each other, adaptation would come quickly.
"Yuuya, are you alright?!"
Seeing the sudden burst of aura from Yuuya, followed by its disappearance and then the sight of him coughing up blood, Might Dai hurried over, filled with shock and concern.
Yuuya shook his head, took a deep breath, and gradually calmed the surging energy within his body.
"I'm fine. I just need some time to stabilize it."
"That's okay, Yuuya… You're already incredibly talented. To even think of a training method like this—even if it failed, I'd still admire you."
As he spoke, Might Dai patted Yuuya on the shoulder in comfort.
"Victory and defeat are common in battle. Even if this really doesn't work, following me and training in the orthodox Eight Gates technique would still be enough to bring taijutsu to new heights…"
Just after Yuuya finished stabilizing the violent power in his heart, hearing Might Dai's consolation made his expression turn strange.
"Uh… I don't remember saying I failed."
"Yes, even if you failed, it's no big deal. In my eyes—hm?!"
Might Dai was still rambling when he suddenly reacted.
His eyes widened as he stared at Yuuya.
"You… you succeeded?!"
"Yeah."
Yuuya shrugged.
Boom!!
It was as if a thunderbolt exploded in Might Dai's mind, leaving it roaring and blank.
He stared at Yuuya as though he were looking at a monster, his face filled with disbelief, his mouth hanging open.
Are you kidding me?!
That Reverse Eight Gates Technique…
actually succeeded?!
Wouldn't that mean the entire history of the ninja world had just been trampled under Yuuya's feet?
This wasn't genius—
this was a freak of nature.
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