Tsunade's eyes sharpened instantly. She clearly sensed that, in that instant, Shinichi used the Chakra Enhanced Strength technique, and it was not ordinary chakra but highly active, violent fire-natured chakra!
He forcefully restrained and compressed them into the chakra network and muscle groups of his arms, without any leakage.
"Like this."
Before he finished speaking, Shinichi suddenly turned around and twisted his waist, his right fist like a cannonball, smashed towards another slightly smaller bluish-gray rock a dozen meters away!
Just as his fist was about to touch the rock surface.
Boom!
A blazing, solid, crimson flame that burst forth from within erupted from his fist!
The flames were extremely concentrated, almost overlapping the outline of his fist, and were a deep, dark red color. The temperature at the center was so high that it distorted the air, producing a hissing sound.
It was like a fiery gauntlet compressed to its limit and then suddenly released, enveloping Shinichi's fist and slamming it hard onto the rock with the force of thunder!
Bang!
Crack!
This time, the destructive effect was completely different from the previous pure Chakra Enhanced Strength punch!
The rock shattered, and at the center of the impact, a charred, deeply sunken fist mark appeared!
The explosion of high-temperature flames and the physical impact force were perfectly combined, which not only shattered the structure of the rock but also left clear scorch marks in the broken cracks and gaps. The reddish high-temperature residue could be seen where the rubble flew.
Some of the smaller pebbles even emitted wisps of smoke as they flew through the air.
Shinichi withdrew his fist and slowly exhaled. The terrifying high-temperature flames on his fist had dissipated, and his skin was slightly red, emitting wisps of heat, but there were no burn marks.
Shinichi looked at Tsunade and said, "I'm trying a new direction: to compress and restrain fire nature chakra within the attacking limbs using the Chakra Enhanced Strength technique, and then release a physical impact and a highly concentrated flame explosion at the moment the attack lands. This is the new direction I'm currently exploring, making my limb itself become the fuse and carrier that ignites the lethal flames."
Tsunade didn't speak, but quietly walked to the shattered rock, squatted down, touched the charred marks on the edge of the fist mark with her finger, and felt the lingering heat and violent fire nature chakra in the air.
Her face remained expressionless, but she was deeply shaken inside.
'This kid…'
She clearly remembered that the third Hokage had mentioned to her that Shinichi's idea for Fire Style Nintaijutsu was only conceived after the Chunin exams last year, and he was exploring it from scratch.
In less than six months, he managed to create the Dark Sweep, a flame shuriken that combines stability and practicality, achieving a crucial breakthrough from scratch.
And now, how long has it been since Dark Sweep appeared?
In less than half a year, he was able to incorporate this violent fire nature chakra into close-combat techniques, using the compression-and-explosion concept of the Chakra Enhanced Strength, creating a prototype of the flame fist that combines physical impact and elemental erosion!
This is no longer just a matter of fast learning speed; it demonstrates a terrifying ability to continuously break down abstract concepts, tackle key problems, and transform them into practical skills!
What if he were given a few more years?
Images of the future involuntarily surfaced in Tsunade's mind.
It forms a stable, blazing armor around the body, integrating offense and defense. It can even go a step further, like the Lightning Style Armour passed down through generations in the Village Hidden in the Cloud, truly integrating fire nature chakra into every cell of the body, achieving a comprehensive leap, and forming a unique, violent, and blazing Fire Style Chakra Mode belonging to Konoha.
Given the clarity of his approach, the speed at which he tackles challenges, and his ability to plan his own power structure, it's actually quite possible.
How long has it taken for the Kumogakure ninja's Lightning Style Armour to reach its current level?
The first Raikage laid the foundation, the second Raikage perfected it, and the third Raikage brought it to its peak.
Across three generations, guided by three top-tier masters ofLightning Style and Taijutsu, it had taken decades to develop Lightning Style Armour to its current form.
And this kid…
Tsunade suddenly realized that she might be witnessing firsthand the entire process of a Fire Style Nintaijutsu that could become one of Konoha's future iconic power systems, from its initial conception to its gradual realization.
The mastermind behind this process is the black-haired boy in front of her, whose face still has a childlike innocence but whose eyes are unusually calm.
"It's alright."
Despite the shock she felt inside, Tsunade showed no outward sign. She stood up, dusted off the dust from her hands, and spoke in her usual slightly disdainful tone, as if Shinichi's stunning attack had barely passed.
"You've got a feel for it, kid, and you have a decent idea now."
She walked up to Shinichi, her gaze falling on his right arm, which was still red and steaming slightly. "But be careful when you practice. Using a fire nature chakra like that puts a much greater strain on your chakra network and muscles than a regular chakra. The residual scorching chakra from the compression will accumulate and cause injury. Don't cause that kind of troublesome injury again, or I won't care if you die."
Upon hearing this, Shinichi simply smiled and did not refute it.
"What do you plan to call this move?"
Tsunade crossed her arms and glanced at the charred fist mark on the stone.
"Wild Bite."
"Wild Bite?"
Tsunade repeated, raising an eyebrow slightly, her tone carrying her usual disdain: "A strange name, just like the previous Dark Sweep, all of them are names I've never heard of before."
"Call it whatever you want."
Tsunade turned around and walked towards Shizune and Kurenai, who were practicing intently under the guidance of her Shadow Clones not far away. Her voice drifted back lazily: "You spent less effort thinking up names and more effort improving your control… Wild Bite? Hmph. Don't end up ruining yourself before you ever manage to bite an enemy."
Shinichi watched Tsunade's retreating figure, then moved his slightly throbbing right arm while feeling the lingering burning sensation in his chakra network.
The effects of the Endless Vitality talent had begun to gently circulate, repairing those minor injuries.
He silently assessed the gains and losses of his attack. The timing of the burst was indeed a fraction too early, and the compression was far from ideal, with at least 30% of its power being wasted.
But the direction is right.
Combining the compression concept of Chakra Enhanced Strength with the fire nature chakra, the potential of this path is already evident in that punch.
"Wild Bite..."
Shinichi murmured the name he had taken from his past life's memories, his right hand clenched tightly, as if he could still feel the intense heat and power that had burst forth after being compressed in that instant.
This is just the beginning.
From the stable release of Dark Sweep to the close-range burst of Wild Bite, he is gradually building up different modules of the Fire Style Nintaijutsu system.
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