The fifty Shadow Clones practicing the Flying Thunder God Technique jumped toward the edge of the distant forest, beginning to repeatedly teleport between tree trunks and rock faces while attempting to establish Flying Thunder God Technique coordinates.
The fifty Shadow Clones practicing Rasengan quickly jumped into the forest on the left, condensed Rasengan in their palms, and then attempted to integrate Wind Chakra into the Rasengan.
Meanwhile, the fifty Shadow Clones practicing Lightning Release Chakra nature transformation jumped into the forest on the right, began to gather Chakra in their palms, and then performed Lightning Release: Lightning Flash. For a time, a series of crackling electric arc sounds echoed through the forest.
Finally, the fifty Shadow Clones practicing Fuinjutsu sat down right where they were, opened the theoretical points of Fuinjutsu in their memories, and while silently contemplating them, began to carve out the sealing formulas.
As for why Naruto needed to use Nine-Tails Chakra to create Shadow Clones?
It wasn't because he lacked Chakra. On the contrary, if he wanted to, he could create thousands of Shadow Clones for combat without relying on Nine-Tails Chakra.
But combat and training are two different things.
Each of the Shadow Clones in practice was engaged in high-intensity mental activity, and the accumulated memory volume and mental impact far exceeded that of combat Clones.
Under the precise calculations of Absolute Control, two hundred Shadow Clones practicing simultaneously was the optimal number he could currently withstand using Nine-Tails Chakra.
This quantity ensured training efficiency while keeping the risk of mental damage at zero.
This number was calculated precisely by combining his own Chakra volume, the recovery ability of Nine-Tails Chakra, and his brain under Absolute Control.
After arranging his Clones, Naruto's original body sat cross-legged on the edge of the platform and activated Negative Emotions Sensing.
While monitoring the movements of Root, he set up sensors around Hokage Rock, so that if Jiraiya returned or other ninjas approached, he would immediately know in advance.
After doing all this, he began to test the Tailed Beast Ball. He was not preparing to condense a large Tailed Beast Ball capable of blowing away a mountain, but rather a mini Tailed Beast Ball to test it out.
As Yang Chakra and Yin Chakra converged in Naruto's palm in an eight-to-two ratio, a grayish-white sphere emerged, then gradually turned black.
Soon, a mini Tailed Beast Ball was hovering in his palm, its surface occasionally flashing with a restrained dark light.
Although it was small in volume, Naruto could clearly feel the terrifying energy contained within the mini Tailed Beast Ball. Once detonated, it would be enough to blow the Hokage Rock beneath his feet into nothingness.
He stared at the equilibrium state inside the mini Tailed Beast Ball through the tactile sensation of his palm and Chakra sensing, and only after confirming it was stable did he slowly disperse it and then condense it again.
...
Soon, twenty days had passed.
There was only one day left until the final official match of the Chunin Exams.
During these twenty days, Jiraiya would occasionally come to check on Naruto's progress, but he couldn't stay for too long each time he came.
Sometimes he would bring over grilled fish and eat while watching Naruto and his two hundred Shadow Clones practice. Then, after finishing the fish, he would dust off his backside and leave.
Sometimes he would come over in a disheveled scramble, taking the opportunity to warm himself by the fire for a while, claiming, "I am here to guide your training." After resting, he would slip away in a flash.
Regarding Jiraiya's behavior, Naruto couldn't be bothered to pay attention. It was better if he didn't come to disturb his training.
Jiraiya being here would actually make him feel restricted, as many things that were inconvenient to display in front of others had to be hidden away.
After twenty days of ultra-high-intensity training, it could be said that Naruto had gained a lot.
First was the Rasengan.
After completely integrating the nature transformation of Wind Release into the Rasengan, he successfully developed Wind Release: Rasenshuriken.
He had secretly tried it once in the Waterfall Cave. After leaving his palm, the Rasenshuriken struck the opposite rock wall, instantly erupting into a spherical cutting zone composed of countless wind blades.
The wind blades radiated outward from the center of the Rasenshuriken. Each wind blade was so small that it was almost imperceptible to the naked eye, and all the rock within the covered area was cut into powder.
However, this technique currently had one flaw. Unlike when Naruto used it in Sage Mode in the anime, where it would expand and grow larger, his current Rasenshuriken did not change in volume after being released, but simply flew out at the size it was when it left his hand.
Of course, if enough Chakra was input, the volume of the Rasenshuriken would increase.
Naruto speculated that it was likely due to the lack of Senjutsu Chakra. The Rasenshuriken needed natural energy to maintain its expansion and continuous cutting characteristics. Relying purely on Wind Release nature transformation could not achieve the effect of expanding and growing large enough to cover the entire battlefield as it did in Sage Mode.
However, even so, the power of the Rasenshuriken made Naruto very satisfied.
The penetrating power and destructive force of the Rasenshuriken far exceeded any Ninjutsu of the same level at the current stage. Kage-level powerhouses basically had no good ending if hit by it.
More importantly, he had successfully managed to throw the Rasenshuriken. This was something Naruto in the anime only achieved after learning Sage Mode.
In the anime, Naruto, who hadn't learned Sage Mode, could only use the Rasenshuriken as a melee Ninjutsu, needing to rush at the enemy while holding it. Once the Rasenshuriken exploded at close range, he himself would be affected by the wind blades, resulting in himself suffering minor fractures to his hand bones.
But Naruto, through Absolute Control, completed the precise locking of the wind blade rotation inside the Rasengan at the very moment of release, allowing it to maintain stable rotation within a certain distance after leaving his palm until it reached the target.
If combined with Kurama Chakra Mode, using Chakra hands to remotely control the flight trajectory of the Rasenshuriken, the hit rate would be upgraded.