The perfection of the secret technique had gone more smoothly than Uchiha Kiyo had imagined. Now that his recuperation period was over, there was still one week left before he returned to the front lines.
In the last few days, Uchiha Kiyo no longer planned to study any new secret ninjutsu techniques. Instead, he decided to focus on solidifying his training and refining his combat abilities.
Ninth Training Ground
Uchiha Kiyo stood in midair, his feet supported by a pair of chakra thrusters, keeping him stable as he hovered.
Suddenly, he bent his right leg and stepped down hard. His entire body shot forward at high speed.
In midair, Uchiha Kiyo slightly shifted his body, and the chakra thrusters beneath his feet generated a strong propulsion force, pushing him forward.
When he needed to change direction, he condensed a temporary thruster in the palm of his hand, using the force to adjust his movement. When his body became unstable, he used both hand thrusters to regain balance.
"It's still easiest to control with both hands. Using my hands feels the most natural."
This was the method of flight that Uchiha Kiyo had developed through trial and error over the past few weeks.
While the propulsion technique theoretically allowed him to fly, mastering stable flight and precise control required extensive practice.
After half a month of training, Uchiha Kiyo had finally grasped the basics of aerial maneuvering. He could now maintain stability while executing quick movements in midair.
Since the incident where he eliminated the Root ninja, the Anbu surveillance assigned by the Third Hokage had been withdrawn. After Danzo reappeared, no further monitors had been sent.
However, Uchiha Kiyo occasionally sensed a faint trace of the Third Hokage's chakra, indicating that Hiruzen was using the Telescope Technique to observe him from a distance.
Uchiha Kiyo remained indifferent to this surveillance.
He only practiced his flying techniques when he was confident that the Third Hokage wasn't watching.
"My flying skills have reached a combat-ready standard. I can use them effectively in battle now.
From here on, I just need to continue refining my technique. More importantly, I should dedicate time to training my newly acquired ninjutsu. It would be a waste if I returned to the battlefield without mastering them."
From the Uchiha clan's archives, Uchiha Kiyo had obtained a set of powerful ninjutsu. Aside from two high-level genjutsu techniques, he had exchanged for the entire Fire Bullet series of Fire Release jutsu, including Great Fireball, Phoenix Sage Fire, and Dragon Fire Technique.
Additionally, he had acquired three B-rank Wind Release jutsu from the Vacuum Sphere series, along with an A-rank Wind Blade technique.
These techniques were systematic and followed a structured progression. The Fire Bullet series, in particular, was interconnected, making it easier for him to master the entire set.
Among his selections, the four Wind Release jutsu were the most advanced.
Wind Release was known for having the strongest offensive potential among the Five Elements. Naturally, Uchiha Kiyo wanted to incorporate it into his arsenal.
While he had thoroughly studied the principles of Wind Release, he lacked an affinity for the element, which limited the effectiveness of his Wind Release techniques.
To solve this, Uchiha Kiyo dedicated himself to developing a Wind affinity.
Wind Attribute Development
"It's finally starting to split."
Uchiha Kiyo observed the half-cut leaf in his hand and sighed.
For days, he had been training to develop a Wind affinity by slicing leaves using chakra. Every day, he trained for three hours. Despite his experience with elemental manipulation, it had taken him longer than expected.
Even as an elite ninja proficient in three elemental changes—Water, Fire, and Earth—it had taken him half a month just to reach this stage with Wind Release.
"Success! I did it!"
A sudden voice interrupted his thoughts.
Turning his head, Uchiha Kiyo saw one of his shadow clones holding up a leaf, cleanly split in half.
Excitement surged through him.
Without hesitation, he dispelled all five of his active shadow clones, absorbing their memories and experiences.
He immediately summoned five new shadow clones and resumed training.
Originally, today's training session was supposed to end, but since he had achieved a breakthrough, he had to capitalize on the momentum.
Once again, Uchiha Kiyo and his clones held leaves between their hands, focusing their chakra to slice them apart.
He had determined that five shadow clones were his limit for efficient memory absorption. While he could create more, an excessive influx of memories caused severe mental strain, making further training ineffective.
That day, Uchiha Kiyo remained at the ninth training ground longer than usual, pushing himself for another two hours.
By the time he finished, he had achieved a 100% success rate in slicing leaves with Wind chakra.
"Finally! My Wind attribute has been successfully developed. Now, I can begin practicing my Wind Release jutsu."
Understanding Elemental Affinities
Uchiha Kiyo's training method followed the principles outlined in the original Naruto series. However, unlike Naruto, who was training nature transformation, Kiyo was simply developing an elemental affinity.
Achieving this first stage was enough to confirm his ability to use Wind Release.
Despite this milestone, he had only taken the first step. True nature transformation required much deeper mastery. Even with the help of shadow clones, it had taken Uchiha Kiyo over half a month to complete just this foundational stage.
His experience with Water, Fire, and Earth Release had been much smoother. But now, after half a month of relentless effort, he had finally succeeded in converting Wind chakra.
However, cutting leaves did not mean that he had completely mastered Wind Release.
It merely indicated that he had developed the ability to convert his chakra into Wind-natured chakra.
Chakra Attribute Conversion
Strictly speaking, chakra attribute conversion was a form of shape manipulation. It was the foundation for performing elemental jutsu.
To cast an elemental technique, the chakra used must first be transformed into the corresponding elemental affinity.
Many ninjas could achieve this transformation externally, but converting chakra internally was a much rarer skill.
Having a natural affinity for an element meant that the user's chakra system was naturally attuned to that attribute. This allowed them to convert chakra internally without harming their chakra pathways.
Developing an affinity for an element required repeated external conversions, allowing the body to gradually adapt until it could perform the transformation internally.
This process took time.
Even an experienced Jonin would need over six months of continuous training to fully develop a new elemental affinity—assuming they could already perform external conversions.
Uchiha Kiyo had now completed the most fundamental step: learning to convert Wind chakra.
Now, he could finally perform Wind Release.
At last, he could begin practicing his Wind Release jutsu properly.
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