Chương 253: 252
Haruto stood in the training field, his eyes focused on the thick wooden block secured to a post. The early morning air was still, the only sound the faint rustling of leaves as the wind passed through. The block was as dense as rock, designed to withstand the hardest blows. But Haruto wasn't relying on brute strength alone. He was about to use Tsunade's enhanced chakra strength technique, a technique that transcended physical power—a masterclass in extreme chakra control.
For most shinobi, enhancing physical abilities with chakra was a basic skill. Infusing strikes with chakra added extra power, increased speed, and agility. But Tsunade's technique wasn't just about pouring chakra into a punch. It required medical precision—applying chakra at the cellular level to strengthen muscles, tendons, and even skin to endure and generate immense power.
This wasn't a technique anyone could rush into blindly. If Haruto simply tried to flood his muscles with chakra, the results could be catastrophic. Without precise control, internal damage was inevitable. Torn muscles, strained ligaments, or broken bones—these were the risks when trying to push beyond the body's natural limits without understanding how. The process demanded a deep knowledge of how chakra interacted with the body's biology and how to apply it in measured amounts.
Haruto's background as a medical-nin gave him a unique advantage in learning this technique. Having trained under Tsunade in medical ninjutsu, he understood the delicate balance of chakra in healing and reinforcing the human body. He knew exactly how muscles contracted and expanded, how tendons connected bone to muscle, and how to fortify these structures using chakra. His knowledge of the body's limits allowed him to push beyond them safely, making him uniquely suited for mastering Tsunade's technique.
Why was this technique necessary?
In battle, raw strength was never enough. Even the strongest shinobi had limits. Haruto knew that. To reach levels of power that could crack stone or split dense wood with a single punch, a shinobi needed more than just muscle. They had to augment their natural abilities with chakra, turning every muscle fiber into something stronger, faster, and more durable.
But this augmentation required more than just adding chakra. Tsunade's technique demanded precision. Chakra had to be applied at the microscopic level, reinforcing muscles so they wouldn't tear from the force. Skin and tendons needed to be fortified, or the sheer power of the enhanced punch would cause them to rupture. This kind of strength was less about overwhelming power and more about maintaining balance between augmentation and control.
And it was for this reason that extreme chakra control was essential. You couldn't just throw chakra into your fists and hope for the best. You had to control every strand of energy, applying it evenly across the body to strengthen it without causing damage.
Haruto inhaled deeply, feeling the chakra stir inside him. His medical training had taught him the value of balance and precision. As a healer, he had learned how to send just the right amount of chakra to damaged cells without overwhelming healthy tissue. Now, instead of healing others, he was applying that same precise control to his own body, using chakra to enhance his muscles and skin for battle.
Tsunade's technique wasn't just about power; it was about controlling the flow of chakra, knowing how much to use, and where to direct it. Every muscle had to be strengthened, but not overloaded. The skin had to be fortified, but not stiffened. The chakra had to be balanced throughout his body in a way that maintained strength while preserving flexibility and durability. If he overdid it in one area, it could cause catastrophic damage to his own body.
Closing his eyes, Haruto visualized the flow of chakra as it moved through his system. He guided it carefully, feeling it pulse from his core into his arms, and finally into his fists. His years of medical training were now crucial as he reinforced his muscles at the cellular level. Every fiber of his being was being strengthened—his muscles fortified, his tendons secured, his skin hardening just enough to withstand the pressure of impact without tearing.
This was where his expertise in medical ninjutsu came into play. Haruto wasn't just flooding his body with energy. He was reinforcing it, making sure that each muscle fiber was properly supported, each tendon fortified. His chakra flowed like threads being woven into the structure of his body, carefully and deliberately enhancing his strength without risking injury.
The real challenge of Tsunade's technique lay in this balance—enhancing your body without overloading it. Too much chakra would result in internal injuries; too little, and the technique would fail to deliver the required power. Haruto's mastery of chakra control allowed him to monitor every part of his body as he applied the technique, ensuring that the energy was distributed evenly and safely.
Tsunade watched closely from the edge of the field. She had trained many shinobi in this technique, but Haruto's natural ability to control chakra was remarkable. His medical training gave him an edge few others had. She could see the way his muscles tensed and relaxed, not from strain, but from the careful application of chakra reinforcing every part of his body.
"You can't just throw chakra into your fists," Tsunade had told him early on. "It's about understanding your limits. You need to enhance your body without tearing it apart from the inside. If you don't understand how your muscles and tendons work together, you'll destroy yourself before you destroy your target."
Haruto had taken those words to heart. This technique wasn't about brute force or mindless strength. It was about mastering his body through chakra control, augmenting his natural abilities and knowing exactly how much force his body could handle. Every punch had to be precise, not just in the strike but in the control of the chakra flowing through his system.
Now, standing before the block, he was ready to demonstrate what he had learned. He focused his chakra with perfect precision, spreading it evenly through his muscles and skin. He could feel the energy enhancing his body, strengthening it without making him rigid. His muscles were fortified, his tendons reinforced, and his skin toughened just enough to withstand the impact.
His fist clenched. Haruto took a step forward, his entire body now fully enhanced by chakra. This was more than just a punch—it was the culmination of everything he had learned about chakra control, medical ninjutsu, and the balance between power and precision.
He struck.
The crack of impact echoed through the field. Haruto stepped back and examined the block. A visible fracture ran down its center. His body remained unharmed, his muscles intact, his skin unbroken. The technique had worked—not perfectly, but the damage to the block showed he was on the right path.
Tsunade nodded from her vantage point, impressed but unsurprised. "That's the control you need," she said quietly. "Now refine it."
Haruto exhaled slowly, looking down at his hand. He had only scratched the surface of the technique, but now he understood why it was so important. This wasn't about brute force—it was about mastering the body's limits with chakra, pushing beyond them safely and effectively.
"Tomorrow," Haruto said to himself, his voice low but determined, "I'll break it clean in half."
As the sun began to set, Haruto created a clone. The clone nodded in silent understanding and set to work, practicing through the night, while Haruto left the field to rest.
Tsunade, still watching from the shadows, sighed inwardly. She glanced at Haruto's retreating form and then at the clone tirelessly practicing. "How does he handle all that information?" she wondered. "Just another piece of the puzzle that is Haruto…"
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