The commotion of the Tailed Beast Ball temporarily subsided, and Naruto once again extended his hand, calming his mind and focusing on condensing a standard Rasengan while in Nine-Tailed Chakra Mode.
This time, he meticulously guided his own blue Chakra as the core, using the golden Nine-Tailed Chakra merely as an auxiliary, intertwining and integrating it like threads to enhance the stability and duration of the form.
Under precise control, a Rasengan finally emerged in his palm, emitting a soft blue glow with faint golden threads swirling at its core. It appeared more solid and stable than a typical Rasengan.
"Rasengan!" Naruto bellowed, pressing the Rasengan in his hand against the earthen wall in front of him.
However, the moment the Rasengan touched the earthen wall—"Boom!"—the entire thick earthen wall wasn't just punctured with a round hole; instead, it disintegrated as if by an invisible, immense force from within, instantly exploding into a cloud of flying dust!
The violent shockwave even caused spiderweb-like cracks to appear on the surrounding ground.
Naruto couldn't help but feel a little troubled by the destruction he had caused, which far exceeded his expectations, and the slightly altered terrain.
He realized that his current situation was like a normal child holding the activation button for a nuclear bomb. Although he could use this power, he couldn't precisely control its output.
But he absolutely did not think this control training was superfluous. Because he clearly remembered that this special Nine-Tailed Chakra Mode seemed to possess a sharing characteristic, allowing him to cover his companions with a Chakra cloak.
If he couldn't even precisely wield his own power, what if, when sharing Chakra, that wild energy instantly surged into a teammate's body... it could very likely cause his companion's Chakra pathway system to explode!
"It's alright, take your time. Just form muscle memory," Jiraiya's voice sounded from the side. Perhaps he was more attentive than in the "original work," as he didn't sneak off to drink or conduct his "research" as usual, but remained on site.
Every time Naruto completed an attempt, he would immediately form hand signs and erect a new earthen wall for Naruto to test the power.
Under Jiraiya's continuous guidance and encouragement, Naruto began the extremely tedious but necessary micro-control training. He tried to compress and restrict the volume and energy output of the Rasengan in his palm little by little. As he concentrated intensely and finely adjusted the flow of Chakra, the Rasengan, which was originally fist-sized, gradually shrank at a visible speed... from fist-sized, to egg-sized, and then to walnut-sized... Finally, the Rasengan in Naruto's palm had become as small as a bean, emitting a faint but extremely condensed blue glow.
Correspondingly, the destructive effect of the Rasengan on the earthen wall also changed significantly, from instantly pulverizing the entire wall into dust at the beginning, to later just blasting a huge gap in it and shattering it, with control gradually improving.
Naruto felt that he only needed a period of focused practice to master the precise control that Jiraiya had demonstrated, which left only a neat circular hole in the wall, without affecting the surrounding area.
After about two hours of uninterrupted focused practice, Naruto gradually felt that mobilizing the vast Nine-Tailed Chakra within him became increasingly smooth and natural.
Now, even a simple punch would no longer result in loss of control or easily altering the terrain.
As a tiny yet extremely condensed Rasengan appeared in his palm, he precisely pressed it against the earthen wall in front of him—this time, only a perfectly circular hole with smooth edges and uniform depth was left on the earthen wall, with the surrounding wall intact.
Naruto nodded with satisfaction, it seemed this stage of power control training was a preliminary success.
"Well done!" Jiraiya stepped forward, patting his shoulder approvingly. "It seems you've initially grasped the knack of wielding this power. So, can you now freely exit this state?"
Naruto complied, and with just a thought, the brilliant golden Chakra around him slowly receded like a gentle tide, quickly retracting into the seal in his abdomen, revealing his original appearance.
"So, Mr. Jiraiya," Naruto looked up, his eyes filled with anticipation, "next, are we learning the new Ninjutsu you mentioned earlier?"
Jiraiya was slightly taken aback, then chuckled, "Oh? You're the 'the more skills, the better' type, huh? Excellent!"
This was exactly what he wanted, saving him the effort of extra persuasion for Naruto to sign the contract, and in the future, he could naturally take him to Mount Myōboku to train in Sage Mode.
"It seems you have a great passion for learning! Alright, then I'll demonstrate it for you first!" Jiraiya said smugly, skillfully biting his thumb and pressing the oozing blood onto the ground.
"Summoning Jutsu!"
"Bang!"
Accompanied by a thick puff of white smoke, his exclusive workhorse, Gamachu, appeared on the scene with his massive and steady figure.
If it was just about learning the Summoning Jutsu itself, Naruto had actually already mastered it, and he even knew a more special Summoning Jutsu that would summon the Nine-Faced Beast, appearing as Azure, White, Vermilion, Black, Void, South, North, Three, and Jade.
Gamachu cooperated with Jiraiya as always, kindly extending his long tongue, rolling a huge scroll, and presenting it to Naruto. This was precisely the precious scroll representing the contract with the toad clan of Mount Myōboku.
"Open that scroll and take a look," Jiraiya squatted on Gamachu's broad head, meticulously explaining the steps, "This is the proof of forming a contract with the toad clan of Mount Myōboku. You need to use your own blood to write your name in the blank space, and then press your five fingers as a blood seal..."
Naruto complied, carefully unrolling the scroll. Afterwards, his gaze fixed on one of the names.
Minato Namikaze
Seeing this familiar name, Naruto was momentarily stunned, then a gentle smile appeared at the corner of his mouth.
He said nothing more, just silently used his own blood to write his name, stroke by stroke, in the blank space below the name.
Uzumaki Naruto
Jokingly speaking, while other people's Summoning Jutsu summoned relatively fixed entities, when Naruto used Summoning Jutsu, it was more like whichever toad was available would come to help.
After all, it was a contract signed with the entire Mount Myōboku clan. Even if Chakra was insufficient, it wouldn't lead to summoning failure; at most, it would only summon some small, non-combatant toads.
This was also evident with Jiraiya; for example, when he was drugged, he could only summon some half-baked toads.
"Alright, that's it!" Jiraiya looked at the blood-stained name on the scroll, still wet, and nodded. "Come on, give it a try! The hand sign sequence for Summoning Jutsu is Boar-Dog-Rooster-Monkey-Ram."
Naruto swiftly and smoothly formed the hand signs, poured Chakra into his palm, and then slammed it onto the ground.
"Ninjutsu: Summoning Jutsu!"
The dark Summoning Jutsu formula spread rapidly across the ground as if alive! Jiraiya stared intently at the rising cloud of thick white mist, guessing in his heart.
Who would appear for Naruto's first summoning? With his Chakra reserves and potential, he should be able to summon Chief Gamabunta, right?
The smoke slowly dispersed... Naruto stared, somewhat bewildered, at the giant figure that appeared before him—it was a massive toad with orange skin and a scholar's doctoral hat on its head.
It just looked very old, its eyelids drooping, as if it had just been awakened from a deep sleep, with a hint of confusion.
"Hmm...?" The old toad slowly lowered its head, surveying the tiny blond boy at its feet. "You... who are you again...?"
The moment he clearly saw the summoned figure, the expectation on Jiraiya's face instantly froze, then transformed into shock and dismay.
"Gr-Grand Elder?!"
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