Developing a new technique was not an easy task, even for Hyūga Shinichi. Simply releasing chakra outwards could not fundamentally cause any damage to an enemy. Even incorporating the chakra shape transformation to make the external chakra spin like a whirlpool lacked lethality.
While Hyūga Shinichi was attempting to develop his new technique, Uchiha Shisui observed some clues from his vantage point. Judging by the form, the new technique Shinichi was trying to create was similar to the Rasengan developed by the Fourth Hokage.
After a moment of thought, Shisui couldn't help but voice a reminder: "Shinichi, the concept for your new technique is very similar to the Fourth Hokage's Rasengan!"
"Why don't you ask the Fourth Hokage to teach you? Given your relationship with the Hokage-sama, learning that Ninjutsu shouldn't be a problem, right?"
Shisui did not know the exact depth of the relationship between Shinichi and Minato's family, but he could deduce that the Hyūga Clan and Minato's family were very close, given that Shinichi had learned the Flying Thunder God Technique.
If a technique like the Flying Thunder God could be taught to the young Shinichi, then a technique like the Rasengan certainly wouldn't be hoarded. It would be easier to just learn the Rasengan than to painstakingly develop a new technique.
However, Shinichi slightly shook his head at this suggestion. The Rasengan was already a relatively mature Ninjutsu in Minato's hands. Beyond the base version, there was an advanced version, like the Great Ball Rasengan, which increased its power.
But the technique's power ultimately failed to satisfy Shinichi. In Shinichi's eyes, the Rasengan was not a technique that could serve as a killing blow, and the ninjas that could be defeated by the Rasengan were not the main enemies Shinichi expected to face in the future. Any enemy that could be killed by a Rasengan could also be killed with a kunai...
Even incorporating chakra nature transformation, like the Wind Release: Rasenshuriken developed by Naruto, wouldn't work. A technique that couldn't be instantly deployed couldn't be effectively combined with the Flying Thunder God Technique.
Shinichi hoped to utilize the strengths of the Hyūga Gentle Fist—striking large areas while destroying the opponent's flesh and severing the pathways beneath the skin. On top of that, the technique needed to be easily combined with the Flying Thunder God, allowing for quick execution. To meet these requirements, the Rasengan was clearly unsuitable.
The Hyūga Main Family had a secret technique called Gentle Step: Twin Lion Fists, which, like the Rasengan, was an ultimate expression of chakra shape transformation. Shinichi planned to use this technique as his foundation to further enhance the technique's power and striking area.
"I know about the Rasengan you mentioned, but it's not what I need."
"If it's only that level of power, our Hyūga's Gentle Step: Twin Lion Fists can achieve the same."
In the training ground, Shinichi shook his head as he explained this to Shisui. As he spoke, Shinichi's right hand was immediately enveloped in powerful chakra, which quickly formed a lion. With a punch slammed into the ground, the intense force shattered the earth beneath Shinichi's feet. Dust and rocks were scattered. Shisui instinctively raised his hands to shield his eyes.
When Shisui and the others regained their vision, they saw Shinichi standing in the center of a crater four or five meters wide, with only his head visible above the ground. A single strike had achieved such power, leaving Shisui and Guy stunned. They had never heard of the Hyūga's Taijutsu possessing such terrifying power before.
"This is the Gentle Step: Twin Lion Fists. External destruction is not everything this technique offers. The main effect of this Jutsu is its compatibility with our Hyūga Gentle Fist, allowing it to damage and block the chakra pathways of the enemy it hits."
Shinichi lightly jumped out of the crater, glanced at the large hole he had punched, and his expression showed a hint of surprise as he explained.
He had used about eighty percent of his strength in that strike, yet he hadn't expected it to have such power. This somewhat exceeded Shinichi's own understanding of his strength. He faintly felt that his body was undergoing some kind of subtle change.
Although this change was difficult to pinpoint, Shinichi was certain it was happening. Since his strength was undeniably increasing, this change in his body must be a good thing.
"Hmm, if you have a secret technique like that, learning the Rasengan is indeed pointless."
"As another no-hand-seal Ninjutsu, your Hyūga family's technique is naturally more compatible with your Byakugan."
"Shinichi, why don't you directly try adding chakra nature transformation to your existing chakra shape transformation foundation?"
"Complete this step first—enhancing the power of the Ninjutsu you've already learned—and then attempt to develop a new technique."
"If you can fuse chakra shape transformation and nature transformation, your understanding of Ninjutsu will surely deepen greatly, and developing a new technique later will yield twice the result with half the effort."
"What do you say?"
After understanding Shinichi's basic situation, Shisui offered his genuine advice. He felt that Shinichi's pace was too fast and his obsession with Ninjutsu power was overly strict.
In Shisui's opinion, Shinichi, having mastered the Flying Thunder God, the Eight Gates, and the Hyūga Gentle Fist, was already at the pinnacle of the Jōnin rank.
Furthermore, Shinichi had such immense power at such a young age; there was no need for him to push himself so hard. By proceeding steadily, Shinichi would surely become a top-tier powerhouse in the ninja world in the future.
Despite this, Shinichi showed no sign of relaxing. Shisui, who genuinely spent time with Shinichi, knew how terrifying Shinichi's daily training volume was.
Even Shisui couldn't match Shinichi's intensity; perhaps only Might Guy among the people present could match Shinichi's training intensity. Yet, how many ninjas like Might Guy were there in all of Konoha?! If Shinichi and Might Guy fought to the death, Shisui even felt that Shinichi would be the final victor.
"Adding chakra nature transformation to the foundation of the Gentle Step: Twin Lion Fists, huh..."
"Hmm, what you say makes sense!"
Shinichi truly trusted Shisui. Besides their relationship as comrades, Shisui was a genius—a genius with the Sharingan. Given his insight and understanding of Ninjutsu, his words must hold merit. Developing this aspect of his ability was an important part of Shinichi's plans. Now, it was just a matter of moving that part of the training plan forward.
"Yes, I'll try it!"
"And... I've also come up with a new idea!"
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