As an Uchiha I became the Jinchuriki of Senju Tobirama
Chapter 438 438: The Shinobi World’s Ultimate Weapon
"This… what is this?" Madara muttered in shock.
"Where are all these thoughts coming from? Tobirama, remember this—on the battlefield, there can only be one commander!"
Indra slowly nodded.
"In its current form, it's unusable in combat. It must be refined further. Right now, this Susanoo is filled with everyone's chakra and will. Without a single individual commanding the whole, it will inevitably fall into disarray, tripping over itself…"
"In that case, no matter how strong this Susanoo is, it's nothing more than a cripple that cannot fight."
Tobirama gave a cold, thin smile. "I know."
Within the ultimate Susanoo constructed by the great formation—
The vast majority of shinobi, under the effect of a special formula, had temporarily turned their bodies into pure chakra, gathering within the core of the War God.
They had not died; rather, they were condensed together in a unique state.
The wills carried within their chakra gleamed like sparks of starlight, constantly flickering within the immense collective.
Perhaps faint—since the strength of each thought was determined by the level of chakra—but they truly existed.
This great jutsu was forged together by every living being of the shinobi world.
Whether it was a common genin of Konohagakure, a small snake from Ryūchidō, a legendary shinobi, or even a true sage…
With everyone's combined effort—
"Everyone, restrain your thoughts. Each of us is like a part of this Susanoo's body! Only by each fulfilling our role can we unleash the true power of this technique!"
"As those supplying the chakra energy, enter a meditative state—empty your minds completely and ensure the flow of chakra!"
Senju Tobirama issued his commands: "Ōnoki, Third Raikage, Third Kazekage, Hanzō… organize the shinobi you're most familiar with, and make sure orders are obeyed without question!"
"Hiruzen, Sakumo, Kakuzu, Hiruko, Hiashi, Kisame, Jinzaburo… after stabilizing Konoha's chakra flow, go assist your comrades in the other sectors!"
At the core of the Susanoo, the shinobi Tobirama had named responded in unison: "Understood!"
In that instant, their bodies—already half-transformed into chakra at Susanoo's brow—fully joined the collective chakra supply of the Alliance.
The once-chaotic storm of thoughts, under the regulation of each village leader, gradually grew orderly and controlled.
It was like the cells of a human body, forming tissues, organs, and powerful systems under order—until at last, becoming one whole.
"Good. Keep it steady… and remember, the peace and future of the shinobi world depend on the sacrifice of each and every one of you in this moment…"
A scarlet flash rippled in Tobirama's Mangekyō eyes.
And in that quiet instant—
Even as he spoke his fine words, he secretly engraved Kazuki's Soul Imprint, long prepared, into the very foundation of the chakra convergence.
By this means, Kazuki alone would hold the authority to absorb and the absolute power to control this Susanoo's chakra.
Should Uchiha Madara, Indra, or even the Sage of Six Paths suddenly get any dangerous ideas, they would no longer have the chance to overturn the table.
Others might believe that uniting here was to prove the power of the shinobi world to Kazuki, in hopes of earning his recognition…
But Tobirama understood with perfect clarity.
The only one who could truly defeat the Ōtsutsuki pursuers was Kazuki—by seizing the very will of this planet itself.
Thus, these gathered shinobi… their true role was to become the filter of Gaia's consciousness for Kazuki.
But before that could happen—
They first needed a sense of participation, of honor in fighting for the shinobi world. Only then, when the enemy arrived, would they willingly shoulder the role of filter from the inside out, cutting down obstacles for Kazuki with all their hearts.
"Excellent. Hold steady—we move to the second step!"
Tobirama continued his orders: "Mito, Tsunade, Hashirama, Kushina, Minato… your chakra and sealing techniques are exceptional. Take charge of regulating the chakra's flow, so that this Susanoo's movements and reactions become more agile."
These Konoha shinobi gladly accepted the task.
As the second stage began, they refined the gathered chakra once more, making the War God's inner harmony and precision even greater.
"Good!"
A single thought from Tobirama—
The Susanoo, whose outward form resembled Kazuki, soared easily into the sky, moving with striking agility as it twisted and maneuvered through the air.
"Very good, hold it steady! Those supplying chakra inside the Susanoo—leaders and subordinates alike—agree upon a common chant to keep the flow consistent. Hashirama, Minato, and the others, grasp that sensation of aligning the chakra. We'll rehearse it once more!"
Senju Tobirama directed Kazuki's Susanoo, executing all manner of high-level tactical maneuvers across the land.
At first, some movements remained clumsy, revealing flaws that would be fatal in a real battle.
But through repetition after repetition—
Even techniques of extreme difficulty, evasions and offensive taijutsu alike, this War God could now perform with flawless fluidity.
Such drills demanded the utmost focus from every participant.
Yet not one shinobi wavered in their resolve.
This was the true strength of the chakra link: every living being, bound together, amplifying each other's strengths to the fullest while concealing their weaknesses.
The genin, unable to do much else, entered a state akin to meditative slumber—fully relaxed, offering up the chakra they could provide, and ensuring that stray thoughts would not disturb the others.
Chūnin and jōnin with greater reserves not only supplied chakra but also refined and stabilized their own flows before passing them upward to stronger comrades.
The kage-level shinobi, the jinchūriki, and the tailed beasts themselves, after refining and contributing their own chakra, once again handed it further up the chain…
Layer by layer it rose.
Like grain consumed at the mouth, then moved through the stomach's contractions, bathed in acid, absorbed by the intestines, with the indigestible cast aside—leaving only the purest nutrients to nourish the body.
Each shinobi offered forth their most essential, most useful qualities to manifest within the Susanoo.
They fought for the very planet on which they lived!
The sight of all striving toward a single goal stirred a strange, epic feeling—whether in genin, kage, tailed beasts, summoning beasts, or even lofty sages.
They were part of a great work never before achieved in history!
Each individual might be insignificant, but within this ultimate Susanoo, they became a vital piece of greatness—
A fragment of history itself!
"Excellent! Next step—those of you with the Mangekyō, be prepared!"
Tobirama's voice rang out: "All of you who have not been transformed entirely into chakra—your techniques are indispensable to this Susanoo in battle!"
"We must coordinate together! At critical moments, you'll take over portions of Susanoo's control, releasing your dōjutsu or ninjutsu through its chakra!"
"Your burden will be the heaviest of all. On the one hand, you must continue supplying chakra to the War God. On the other, you must constantly observe the battlefield—ready to respond in an instant when your intervention is required!"
"This demands the highest degree of coordination and trust!"
At Susanoo's brow, the shinobi present all nodded gravely.
Most among them bore the Uchiha's Mangekyō or the Rinnegan. Only one man stood as the exception—
That man was Might Duy.
As the one who had once opened the Eighth Gate of Death and nearly slain Ōtsutsuki Isshiki with a single mortal kick, Senju Tobirama placed great expectations upon him.
If the enemy came, and Kazuki was forced to accept the power of the planet's consciousness…
Then the one to lead them in burning spirit would not be only Kazuki's dōjutsu, but also Might Duy as their guide.
Tobirama believed that his youth, his all-out resolve, would infect the vast majority within Kazuki's Susanoo, igniting in their hearts a fearless courage that scorned death!
Yes, it was a tactic—a manipulation of human hearts.
But when the very survival of the shinobi world was at stake, such inspiration was indispensable.
For Tobirama, at such a time, matters like baseness, deceit, secrecy, or trickery no longer held weight.
As long as Kazuki could win—as long as he could lead the shinobi world to survive under the threat of the Ōtsutsuki—
Then in the end, when looking back, all of it would have been the right choice.
Against enemies far stronger than oneself, one could not abandon the savage side of human nature. One needed the resolve to use every possible means, to burn the ships behind them, leaving no retreat!
"You should understand by now… as Indra has said, we shinobi at the battle's core must choose one combatant, while the rest serve as support."
Tobirama spoke slowly: "One person will lead the fight, and the others must coordinate with him—releasing their dōjutsu at critical moments without disrupting the battle rhythm of the main fighter."
"My view is this: each of us should take our turn. If we fight against Kazuki, a single style of main fighter would be quickly read and countered by him. We must continually rotate, ensuring he never seizes the advantage."
"And if, later, we fight against the Ōtsutsuki pursuers, then with multiple main fighters of different styles, we will be able to quickly find the one most suited to battle that particular enemy."
At these words—
Uchiha Madara and Indra both unconsciously nodded.
Senju Tobirama did not cling to the power of command for himself. Instead, from the perspective of victory, he arranged matters on many fronts.
"Let's begin, everyone… I'll go first!"
Standing at the very center of Susanoo's brow, Tobirama's voice rang out: "All sections, pay attention—coordinate with me!"
At that moment, Tobirama seized control of the Susanoo!
Under his direction, the Susanoo shifted into an evasive stance, as though dodging a powerful incoming attack.
"Obito—Kamui!"
Obito jolted in surprise. Both of his Kamui Mangekyō flared sharply, channeling the immense chakra within the Susanoo, causing the entire War God to blur and phase into intangibility.
"Still too slow, Obito…"
Tobirama shook his head.
"Not enough. When I take the stance to evade, even if I don't prompt you, you must intervene on your own and release Kamui."
"Just as when you hold command of the Susanoo, I must keep watch on the enemy's movements, ready at any instant to unleash Ama-no-Iwato."
"But it's fine—we still have time! So long as the Ōtsutsuki pursuers delay even a single day, we gain another day to train!"
"The final peace of the shinobi world depends on all of you!"
Tobirama's voice thundered: "For peace—give everything you have!"
The response was not a unified shout.
It was the silent surge of chakra growing steadier and more immense, and the unwavering concentration of every battle unit.
Kazuki watched with a smile, his heart swelling as he spoke softly in genuine praise: "Tobirama… all of you of the shinobi world—I am proud of you…"
From that day onward—
The Shinobi Alliance trained day and night, their coordination growing ever more refined and precise.
...
Nearly a full year slipped quietly by.
Myōshiki—
And Ryōshiki, following behind him—
At last arrived in the shinobi world.
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