"Genjutsu?" Sora's eyelids twitched slightly.
Because of the repeated Water and Fire Body Tempering, Sora's spiritual awareness during battle had become extremely sharp.
Especially while in the Rampage state, even the smallest disturbance could not escape his perception.
However Sora showed no panic.
"I'm really not afraid of genjutsu at this level," he said with a faint sneer.
He had already developed his own method for resisting genjutsu, and the mutation that occurred earlier had strengthened that ability even further.
"Breaking Illusions with Blood."
Sora shouted inwardly.
Once trapped inside the genjutsu, the normal method of escape would be to either release a massive surge of chakra or restore the disrupted chakra flow to its original state.
However Kakashi's spiritual energy was already extremely powerful.
Combined with the enhancement from the Three-Tomoe Sharingan, breaking the genjutsu through pure chakra control would be extremely difficult.
In terms of spiritual strength Sora could not compete with Kakashi's Sharingan-enhanced perception.
Nor could he overwhelm Kakashi with chakra quantity.
But Sora possessed a completely different method.
He used his blood and energy to interfere with the chakra flow and forcibly restore it to its normal circulation.
Years of Water and Fire Tempering had created a natural resonance between Sora's chakra and his blood energy.
After the mutation earlier, the connection between them had become even stronger.
Genjutsu could interfere with chakra flow.
But it could not interfere with the flow of blood and energy within the body.
Sora possessed unmatched control over his own blood energy.
Unless it was an extremely powerful genjutsu such as Tsukuyomi, ordinary illusions were almost meaningless to him.
And as his strength continued to grow, even Tsukuyomi might not remain effective against him.
Guided by the overwhelming flow of blood energy, Sora's disrupted chakra was forcibly restored.
The illusionary world around him shattered instantly.
Kakashi's expression changed slightly.
The genjutsu had been broken.
The forced disruption created a slight backlash for Kakashi, since genjutsu battles were essentially clashes of spiritual energy.
However Sora had avoided direct spiritual confrontation.
Instead he had used blood energy to interfere with his chakra flow.
Because of that Kakashi suffered the backlash while Sora remained unaffected.
"The opportunity is here," Sora thought.
"Rasengan."
His speed exploded instantly.
Sonic booms echoed as his body surged forward so quickly that visible shockwaves appeared around him.
"I have no choice," Kakashi thought calmly.
"Lightning Release: Raikiri."
Kakashi had no time to dodge.
The genjutsu backlash had slowed his reaction slightly.
He could only confront the attack head-on.
Lightning gathered violently in Kakashi's palm.
Blue electricity crackled across the ground beneath his feet.
Compared to the Rasengan, Raikiri appeared far more imposing and destructive.
It was one of the most visually intimidating techniques in the entire ninja world.
"What incredible chakra," Naruto exclaimed in shock.
"I didn't expect Kakashi-sensei to possess such a terrifying technique."
The overwhelming presence of Raikiri left everyone stunned.
"Kakashi, Raikiri is an S-rank secret technique," Sora said calmly.
"It has already surpassed the level of ordinary ninjutsu. The Rasengan I currently use is only a high-level shape transformation technique.
As the creator of Raikiri, you can unleash its full power. My Rasengan alone cannot match it."
However Sora's expression remained calm.
"But Rasengan was never meant to be used in only one way."
Without hesitation Sora slammed the Rasengan in his right hand directly against Kakashi's Raikiri.
Two terrifying chakra forces collided violently.
Lightning bolts erupted across the surrounding ground and trees.
Violent winds generated by the collision destroyed everything nearby.
The intensity of the clash forced Naruto and the others to retreat far away.
"This level of power," Sasuke whispered while staring intensely at the two techniques.
"If I master this strength I will definitely obtain my revenge."
His gaze was fixed on the techniques in their hands.
At first the result seemed obvious.
Kakashi's Raikiri was clearly stronger.
Sora's Rasengan was gradually being pushed back.
But suddenly Sora performed an unexpected action.
His empty left hand formed another Rasengan.
Then he slammed it directly into the first Rasengan that was clashing with Raikiri.
Kakashi's eyes widened slightly.
"What is he doing?"
Normally the collision of two chakra spheres would cause a violent explosion.
But something unbelievable happened.
The two Rasengan merged together like flowing water.
They fused into a much larger sphere of spinning chakra.
"Super Rasengan," Sora shouted.
The newly formed Rasengan exploded with even greater power.
The overwhelming surge of energy temporarily reversed the disadvantage.
Violent shockwaves tore through the surrounding forest.
Finally the two techniques collided at their limit.
A powerful recoil force erupted.
Kakashi stepped back three steps.
Sora was blasted backward more than ten meters.
The difference in strength was obvious.
Raikiri was still an S-rank secret technique.
Even the Super Rasengan remained within the category of advanced techniques.
Furthermore Sora knew Kakashi had not used Raikiri at full power.
If he had pushed the technique further, even the Super Rasengan might not have been able to withstand it.
S-rank techniques were on an entirely different level.
They far exceeded ordinary high-level ninjutsu.
The Super Rasengan still belonged to the category of advanced shape transformation techniques, although it stood at the very peak of that level.
Kakashi finally relaxed slightly.
"You kids are becoming more terrifying every day," he said calmly.
"Even disciples taught by the legendary Sannin are frightening."
Neither of them moved again.
They had already reached the limit of a sparring match.
Continuing further would no longer be training.
It would become a life-and-death battle.
Kakashi observed Sora silently.
That level of chakra control was extraordinary.
It did not resemble Jiraiya's teaching style.
Instead it seemed far closer to Tsunade's methods.
Being able to merge two Rasengan while clashing with Raikiri required unbelievably precise chakra control.
"Just how many secrets does this child possess?" Kakashi thought quietly.
...
Author's Note:
Naruto: Reborn as Tsunade's Son — Part 1 is now fully completed, with more than 130 chapters available on my Patreon!
🔥 I also have a Additional 18+ fanfics now available for readers who enjoy exclusive mature stories. 😉
1.Dragon Ball: Oolong's Sex Adventure
2. Elements of Lust – ATLA & Korra Mixed Smut
3. Doraemon: Filtering with Nobi Tamako
4. The Naive Me Who Became Someone's Everyday Secret
5. High School DxD: Rias Gremory, the Phenex Bride
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