The small campfire crackled and popped.
It sent a localized shower of glowing orange sparks floating up into the dark, heavy canopy of the southern forest.
The metallic, rusted smell of fresh blood mixed heavily with the damp scent of wet mud and burnt wood, serving as a harsh, constant reminder of the brutal Warring States period that surrounded them.
Beyond the small circle of warm orange light, the bodies of the Senju assassins lay hidden in the deep shadows, waiting for the morning cleanup crews.
But right here, in this tiny pocket of warmth, it felt strangely peaceful.
It was just three brothers sharing a quiet night after surviving the impossible.
Across the flickering flames, Madara and Izuna sat on a large, fallen log.
They were both staring at their eldest brother, waiting for an answer to a question that completely defied all shinobi biology.
“How, Brother?” Madara asked again.
His tone wasn’t whiny, nor was it laced with the usual childish jealousy or stubbornness that younger siblings often displayed.
Instead, the nine-year-old was leaning forward, his elbows resting on his knees, his hands clasped together in a highly analytical posture.
His dark eyes were sharp, calculating, and entirely serious.
After watching Shinra completely obliterate a veteran Senju Jonin and instantly assassinate an Elite Chunin without taking a single scratch, Madara was looking at his older brother with a heavy, pragmatic respect.
It was the exact kind of look a seasoned battlefield tactician gives to a supreme commander.
“The clan medics examined you themselves just yesterday,” Madara continued, laying out the raw facts with cold, military logic.
“I read the preliminary medical report before Father deployed me to this camp.
The elders stated that your chakra pathways were completely burned out from the violent strain of your eyes.
They said you had absolutely no physical stamina left.
You were bedridden.” Madara paused, gesturing toward the ruined camp around them.
“Yet, tonight, you crossed miles of forest in minutes.
Your chakra is so dense it is almost suffocating to stand near.
You fought a veteran Jonin in close-quarters combat, fired off multiple high-ranking fire jutsu, and you aren’t even breathing heavily.” Shinra looked at his younger brother through the dancing flames.
Internally, Shinra was deeply impressed.
Madara’s mind was incredible.
The boy wasn’t acting like a kid; he was analyzing the battlefield data with the cold efficiency of a veteran.
He was acting exactly how Tobirama Senju would in the future—focusing entirely on the mechanics of power, biology, and survival.
Of course, Shinra couldn’t exactly tell his brothers that a magical blue screen had appeared in his head, curing his injuries and gifting him the legendary physical vitality of Hashirama Senju.
If he mentioned a ‘System’ from a different dimension, Madara would probably have him dragged back to the compound and locked in the asylum for severe brain damage.
He needed a lie.
But it couldn’t just be any flimsy excuse.
Madara was a certified genius.
He analyzed everything down to the smallest detail.
He would instantly see through a weak story.
Shinra needed an explanation that actually made logical, biological sense within the complex, rigid rules of the ninja world.
Shinra picked up a dry twig and casually poked the glowing embers of the fire, watching a small burst of grey ash rise into the air.
“It is a secret,” Shinra replied smoothly, keeping his face perfectly blank and his voice low to match the quiet atmosphere of the camp.
“Something I had decided to keep completely hidden until my body fully matured.
I wasn’t planning on revealing it tonight.” “A secret?” Madara frowned slightly, his sharp eyebrows pulling together.
However, he didn’t raise his voice or throw a tantrum.
He simply countered with pure logic.
“Brother, I just awakened the two-tomoe Sharingan.
Izuna awakened his first tomoe.
We just killed an enemy elite and survived a specialized Jonin assassination squad.
We are not defenseless toddlers who need to be shielded from the truth anymore.” Madara pointed a bandaged finger toward the dark forest where the Jonin had died.
“If there is something unique about your biological makeup or your power, we need to know,” Madara stated firmly.
“As your subordinates on the battlefield, we have to understand your exact capabilities so we can adapt our squad formations around you.
If your stamina is truly this high, you should be leading the vanguard, and Izuna and I need to adjust our support tactics.
Keeping medical secrets regarding your health only leads to friendly casualties.” Shinra had to stop himself from smiling.
It was a brilliant, highly professional response.
Madara wasn’t demanding answers out of childish curiosity; he was thinking like a military leader trying to maximize his squad’s combat efficiency.
“Please, Shinra-nii?” Izuna chimed in from the side.
The seven-year-old completely ignored Madara’s cold tactical logic and went straight for his ultimate weapon: the wide-eyed, exhausted puppy-dog stare.
“We won’t tell anyone.
We won’t tell Father, and we won’t tell the Grand Elders.
We promise.” Shinra looked at them for a long moment, acting as if he were deeply conflicted about breaking a severe, personal rule.
Finally, he tossed the twig into the fire and leaned back against a large, mossy rock.
“Alright.
Listen closely, because I am only going to explain this once,” Shinra said, dropping his voice into a serious, commanding register.
Madara and Izuna instantly sat up straighter, giving him their absolute, undivided attention.
The wind rustled the high leaves above them, adding to the tension of the nighttime story.
“Ever since I first started practicing basic chakra manipulation with the instructors in the compound training grounds, my body felt…
incredibly heavy,” Shinra began, weaving his lie with absolute, unshakable confidence.
“You both know the basic theory of chakra taught by the clan, right?
It is created by molding the physical energy of the body cells with the mental energy of the mind.” “Yes,” Madara nodded sharply, reciting the old clan scrolls flawlessly.
“The Uchiha clan is historically blessed with incredibly potent mental energy.
It allows us to awaken the Sharingan, cast powerful illusions, and memorize complex enemy jutsu instantly.
But our physical energy is standard.
That is why our overall stamina is drastically lower than the Senju clan’s.
It is the fundamental flaw of our bloodline.” “Exactly,” Shinra pointed at Madara, acknowledging the correct analysis.
“But my body was different.
For years, I felt a massive, dormant pool of raw physical energy buried deep inside my cells.
It was so dense, so heavy, that it actually made molding normal jutsu incredibly difficult for me when I was younger.
It felt like I was dragging a massive iron boulder around inside my stomach.” Madara’s eyes widened slightly as the pieces started to connect in his genius brain.
The orange firelight reflected in his dark pupils.
“So…
yesterday, on the battlefield…” “You both know I awakened my two-tomoe Sharingan two years ago,” Shinra explained, his voice dropping into a solemn whisper.
“But yesterday, when my team was wiped out, the emotional trauma forced my eyes to rapidly evolve.
They forcefully upgraded into the fully matured three-tomoe Sharingan in a matter of seconds.” Shinra paused, letting the silence hang in the air for dramatic effect.
“The mental strain of the three-tomoe upgrade was so violent, so overwhelming, that it nearly ripped my brain apart.
My body realized it was dying from the sheer pressure of the eyes,” Shinra continued, keeping his gaze locked with Madara’s.
“To survive the mental overload, my body’s basic survival instincts completely shattered the internal floodgates.
That dormant, massive physical energy I had felt for years finally exploded outward.
It flooded my system.
It rapidly healed my burned chakra pathways in a matter of hours.
It forcefully mutated my physical vitality to match the extreme power of my newly matured eyes.
It created a perfect balance of mind and body.” Shinra leaned forward, resting his forearms on his knees.
“I don’t just have standard Uchiha stamina anymore,” Shinra stated clearly.
“My body awakened something entirely different.
It is an evolutionary mutation.
Something I can only describe as a Sage Body.” Madara and Izuna sat completely frozen.
The crackling of the campfire was the only sound in the clearing.
It made perfect, terrifying sense to them.
The Uchiha were historically plagued by the curse of their own eyes.
The stronger their Sharingan became, the more it drained their physical bodies, eventually leading to blindness and sheer exhaustion.
But Shinra was claiming that his body had forcefully evolved to handle the burden.
He had unlocked a legendary physique, boasting a level of physical stamina and rapid cellular healing that rivaled their most hated enemies.
“You…” Madara swallowed hard, processing the sheer magnitude of the information.
His dark eyes were filled with a mixture of raw awe and deep, tactical respect.
“Brother, you possess the visual prowess, Genjutsu capabilities, and mental speed of an elite Uchiha, combined with the physical stamina, cellular healing, and raw vitality of a Senju monster.” Madara looked down at his own hands, his mind working in overdrive.
“From a combat perspective, that makes you completely flawless.
You have zero biological blind spots.” “Flawless is a strong word, but yes, my chakra reserves have skyrocketed to levels I never thought possible,” Shinra agreed casually.
Inside his head, Shinra was mentally patting himself on the back.
He had just successfully explained away his Hashirama-level Sage Body without raising a single red flag.
Madara had bought it completely because it adhered strictly to the biological laws and chakra theories of their world.
“Okay, I understand your stamina and health now,” Madara said.
His analytical mind quickly organized the new data and moved past the first mystery, locking onto the second puzzle.
He pointed a thumb over his shoulder toward the massive, scorched crater in the center of the camp.
“But what about that?” “What about what?” Shinra asked innocently, raising an eyebrow.
“Shinra-nii, a physical mutation explains your stamina,” Madara shot back, his eyes narrowing slightly as he focused on the combat data.
“But it cannot explain what you did to that Jonin.
You hit that Senju commander with a condensed sphere of spinning blue chakra.
I was watching you closely with my Sharingan.
You didn’t weave a single hand seal.
Not one.
The clan instructors swear that it is physically impossible to cast a jutsu without seals.” Izuna nodded frantically, leaning closer to the fire, completely captivated by the conversation.
“Yeah!
I thought humans couldn’t mold chakra outside their bodies without signs!
The instructors at the training grounds said it was impossible!” Shinra chuckled softly.
He knew this question was coming.
The Rasengan was a jutsu that wouldn’t technically be invented for another few decades by Minato Namikaze, the future Fourth Hokage.
It broke all the current rules of ninjutsu in the Warring States period.
“The instructors are narrow-minded fools who only teach what has already been done by dead men,” Shinra said, crossing his arms over his chest.
“Hand seals are just training wheels, Izuna.
They are tools we use to force our raw chakra to change its nature—like turning neutral blue chakra into burning fire or crackling lightning.” Madara frowned, his genius brain working at maximum capacity to follow the advanced, revolutionary theory.
“Right.
The seals act as a specific formula to achieve nature transformation safely without the energy exploding inside the user’s pathways.” “But what if I don’t want to change the nature of the chakra?” Shinra challenged, a confident smirk touching his lips.
“What if I just want to change its shape?” Madara’s breath caught in his throat.
“I have been secretly working on this theoretical concept for three years,” Shinra lied smoothly, selling the story of a hard-working, obsessive prodigy.
“I realized that if I could push shape transformation to its absolute, maximum limit, I wouldn’t need hand seals at all.
I just needed perfect, absolute chakra control.” “So…
that spinning blue sphere…” Madara whispered, staring intently at Shinra’s bare right hand.
“I call it the Rasengan,” Shinra declared.
“It is nothing but pure, highly compressed, neutral chakra.
There is absolutely no elemental nature involved at all.
It isn’t fire, it isn’t water, and it definitely isn’t wind.
It is just raw kinetic force, spinning in hundreds of different directions at the exact same time.
It grinds through solid matter like a drill trapped in the palm of your hand.
Because there is zero nature transformation involved, it requires zero hand seals to cast.” Shinra let out a fake, exhausted sigh, rubbing the back of his neck to sell the struggle of his fake backstory.
“For years, I kept failing,” Shinra continued.
“I could never maintain the spin.
My original chakra reserves were too small, and the raw kinetic friction kept burning the skin off my hands.
I almost gave up.
But tonight?
With my newly awakened Sage Body and my expanded chakra pathways…” “You finally stabilized the rotation,” Madara finished the sentence, his voice filled with absolute shock and undeniable reverence.
The nine-year-old looked at his older brother as if he were looking at a living legend.
Madara always knew Shinra was talented, but this was entirely different.
To invent a completely original, seal-less jutsu that defied the basic, foundational laws of ninjutsu?
That wasn’t just raw talent.
That was the work of a generational pioneer.
Madara’s respect for Shinra deepened massively.
Shinra wasn’t just a strong brawler with good eyes; he was a brilliant theorist who understood the very fabric of chakra better than anyone else alive.
“That is incredible, Shinra-nii!” Izuna cheered, practically vibrating with excitement.
He jumped up from his log, pumping his small fists in the air.
“A jutsu with no hand seals!
That means the enemy can never predict when you’re going to attack!
It’s the ultimate close-combat assassination tool!” “It is highly effective for close combat, yes.
It bypasses conventional armor entirely,” Shinra nodded calmly.
“I want to see it,” Madara suddenly demanded.
Shinra raised an eyebrow.
“You saw me use it to blast a Jonin through a pile of crates twenty minutes ago, Madara.” “I saw the explosive result of it, but I didn’t get to see the actual structural formation process up close,” Madara insisted, stepping closer to the fire.
His dark eyes were burning with an intense thirst for knowledge.
The stubborn kid was completely gone, replaced entirely by a dedicated shinobi obsessed with discovering new tactical advantages.
“Please, Brother.
Demonstrate the Rasengan for us.
I want to see how you contain that much wild kinetic force in a localized sphere without it exploding in your face.” Izuna nodded rapidly, his ponytail bouncing.
“Yes!
Please, Shinra-nii!
Just a little one!
We won’t touch it!” Shinra looked at the two boys.
They looked so eager, so genuinely hungry to learn.
It was a stark contrast to the bloody reality of the dead bodies scattered just a few yards away in the dark.
This was exactly why he needed to get stronger.
If he didn’t protect them, this spark of curiosity and life would be snuffed out by the endless war.
“Alright,” Shinra agreed, a genuine smile finally breaking through his serious mask.
“But stand back.
The kinetic displacement is intense, and I don’t want you getting hurt by the stray chakra streams.” Madara and Izuna quickly scrambled backward, putting a few feet of distance between themselves and their brother.
Without needing to be told, they both activated their Sharingan.
Their red eyes spun wildly as they focused entirely on Shinra’s right hand, eager to record every single detail of the impossible jutsu.
Shinra remained seated on the mossy rock.
He didn’t stand up or take a combat stance.
He simply raised his right hand, keeping his fingers slightly curled inward, palm facing the dark night sky.
He didn’t need to concentrate hard.
Thanks to the system granting him the jutsu at the ‘Adept’ level, the Rasengan was permanently hardwired into his muscle memory.
“Watch closely,” Shinra warned softly.
He tapped into the massive, oceanic reserves of his newly acquired Senju-level chakra.
He forced the raw, dense blue energy directly out of the tenketsu points in his palm.
Instantly, the quiet air in the camp began to scream.
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See you in the next chapter!