"Captain Shisui, this is the location marked on the map."
A Konoha ninja stood with a large scroll strapped to his back, one eye covered by black gauze.
He had originally been stationed on the border between the Land of Fire and the Land of Rain, so he was very familiar with this area.
In this operation, he also played the role of the team's 'eyes'.
"Then everyone be careful. Stay hidden and prepare for battle at any moment."
Shisui Uchiha led the way through the forest, the wind whistling past his ears continuously. Though barely audible, the rustling wind was loud enough to reach the three ninja trailing behind him.
The place marked on the map was an Amegakure outpost mentioned in Konoha's intelligence — their target for this mission.
"Understood!"
Everyone knew that right now they were deep within enemy territory, and the most critical thing was to maintain their concealment.
They had every confidence in the mission — after all, leading them was Shisui Uchiha, the man known as *Shunshin no Shisui*.
If the intel was right, Shisui's strength was at least Kage-level — a true rarity among Konoha's shinobi.
Sunlight filtered through layers of leaves, casting dappled shadows and speckled light across the forest floor.
The air in the Land of Rain was extremely humid, so floating dust particles couldn't be seen within the beams of sunlight.
The group advanced silently, leaping from tree trunk to tree trunk, without making the slightest sound. Their figures moved like ghosts, weightless and imperceptible.
"Careful!"
As the four figures shot out toward the edge of the woods, a wave of chakra ripple disturbed the air.
Shisui reacted first, immediately shouting a warning to his teammates.
At the same time, he activated the [Shifting Body Technique], vanishing mid-air.
Although his warning came just in time, there wasn't much time left for the other three to react.
Moreover, their strength paled in comparison to Shisui's, making it naturally difficult for them to evade such a sudden attack.
Already airborne, there was no way they could evade the ambush.
Thick roots burst forth from beneath the ground.
Like serpents, they quickly coiled around the three moving figures, mercilessly piercing straight through their bodies.
Blood sprayed as the men — who had just moments ago been whispering quietly with Shisui — died instantly.
Their mouths slightly agape, hands still holding Ninja Seals.
After piercing the bodies, the roots jerked violently, flinging the corpses aside like discarded trash.
The lifeless bodies slammed against tree trunks before sliding down to the ground, blood continuing to spill out, soaking the surrounding area.
"Damn it! Who is it?!"
Landing steadily upon a distant branch, Shisui caught sight of his comrades' brutal end. His eyes turned red in an instant.
Within his eyes, three tomoe spun rapidly as he scanned the surroundings.
He hadn't yet pinpointed the enemy — definitely not good news for him.
Suppressing his rage, he remained calm, every muscle in his body tightening in preparation.
"What exactly are you looking for?"
A calm voice came from behind, sending shivers down Shisui's spine and making his hair stand on end.
This calm voice was filled with killing intent.
He formed the seal for the Body Flicker Technique again and drew his ninja sword, slashing backward.
Wind-style chakra detached from the blade in a [Blade Wave], cutting rows of trees behind him at the waist.
Wherever the chakra passed, everything bent over!
But there was no enemy visible within his sight.
Pushing off the ground with one foot, he jumped into the air and activated the Body Flicker Technique instantly.
At the same time, a shadowy area began to glow.
Then, a long [Chidori Current Ninjutsu] flew through the air, piercing the branch where Shisui had stood moments ago. It continued forward, finally plunging deep into the earth and corroding a wide area around it into pitch blackness.
"It's really you!"
As he activated the Body Flicker Technique, Shisui caught a glimpse of the person who attacked him. His heart dropped slightly.
Gripping his sword tightly, he landed in a nearby clearing, eyes sharp and posture tense.
"Why wouldn't it be me?"
Saitama Uchiha appeared atop a branch, looking down at his familiar, alert friend with a calm tone.
While speaking with Nagato earlier, he had sensed the fluctuations in energy here.
Because of his mastery over Hashirama's cells, his sensor abilities had been boosted to an incredibly exaggerated extent.
Moreover, he was very familiar with Shisui's energy signature.
Therefore, he had come directly here.
"Everything comes to a head today. Haven't you been waiting for this moment all along?"
The connection between them had always remained.
That was also why Saitama had always held back just slightly each time he attacked.
Both of them understood this clearly.
Yet now, as Saitama spoke those words, the atmosphere began changing.
"I'd be delighted! I'll completely end what you have done wrong. This is something I must accomplish as your former comrade."
Shisui pointed his ninja sword at Saitama standing on the tree branch, crimson filling the Sharingan within his eyes.
"Then let's begin!"
Crackling arcs of electricity began crackling across Saitama's body.
Both knew this strike would become their long-awaited final battle.
The air grew heavy, and several dry yellow leaves drifted down from where they had grown.
In a flash, both figures disappeared from their spots. The leaves floating midair were struck by an unknown force and scattered with a swishing sound.
Saitama and Shisui collided head-on.
Their ninja swords rang out clearly against each other, sounding particularly crisp at the edge of the forest.
Shisui raised his ninja sword high overhead, while Saitama's blade pressed down onto it from above.
Because of their respective positions when they initiated the attacks, Shisui found himself at a disadvantage during this exchange, able only to defend passively.
He blocked Saitama's attack, but the soles of his feet sank deeply into the ground, cracks spreading outward like a spiderweb centered around his stance.
His legs gradually bent, clearly indicating that Shisui still couldn't match Saitama in terms of pure strength.
Chakra surged through the twin blades as they clashed, producing a grating screech with each impact.
This time, I won't lose. I stake my ninja conviction on this battle!
Shisui resisted Saitama's crushing pressure, glaring intensely at him with gritted teeth.
As he spoke, his Sharingan flickered with surging light—clearly activating an unknown ninjutsu.
Regular genjutsu won't work on me. Even if it's cast through the Sharingan, under superior ocular power suppression, it's simply wasted effort.
A slight smirk curved Saitama's lips, his Three-Tomoe Sharingan also shimmering strangely with unusual fluorescence.
In an instant, Shisui's body shivered slightly before he quickly shifted his gaze and leapt backward.
He'd launched a surprise Genjutsu attack, but under Saitama's superior Ocular Power, it rebounded instantly.
The genjutsu sealed within his eyes wasn't reattempted; after using Kotoamatsukami previously, he had already abandoned any thought of continuing its use against Saitama.
Clearly, his opponent had countermeasures and was well prepared.
Go all out then. Only one person leaves here today. I hope that person is me—who do you want it to be?
After reflecting Shisui's Genjutsu, Saitama didn't retreat—he charged forward instead.
While chasing Shisui, he spoke words meant to unsettle his opponent's mind.
I remember swordsmanship was something you taught me once. Let me experience it again from you one last time.
Saitama's feet moved rapidly, his body leaning slightly forward as he sprinted ahead.
His right hand gripped the blade tightly, while his left hand formed two fingers that slid along the edge, creating arcs of electricity.
If I could have predicted everything back then, I would've ensured you'd never become a ninja ever again.
After landing, Shisui pushed off the ground hard with his foot and thrust himself forward to meet the charge.
Fixing his gaze on Saitama, he said sharply and rapidly,
The nature of this world is ever-changing. Back then, I never expected myself reaching this point either. It's just that the world itself is flawed—I refuse to live in denial of my true self like an ordinary man.
With a swift slash, Saitama sent his blade toward Shisui, leaving behind a visible arc of electricity in midair.
Come on, give it your all and try to kill me.
This time, I'm not holding back either!
After striking, an immense tranquility filled his heart.
No matter who you are, life always comes to an end.
And all relationships reach their final chapter.
Some sooner, some later—merely separated by time.
Saitama's sword met Shisui's defense once again, both pairs of Sharingan flaring intensely.
Then, in a blink, both vanished, exchanging blows repeatedly through the air.
[Chidori Current], [Gust Blade]—the techniques rained down from the void, slamming into the ground and carving indelible scars.
For both fighters, swordsmanship was a familiar battle method.
Although Shisui was the one who taught Saitama the fundamentals of Swordsmanship, their differing paths afterward led their styles to evolve in completely different directions.
His sword was sharper and simpler, while Shisui's sword techniques, passed down through the revered Konoha-ryu martial tradition, focused on practicality and stability. Therefore, his moves lacked boldness in combat.
Even so, during their blade clash, Saitama still couldn't gain much advantage.
He wasn't a ninja deeply versed in swordsmanship. After reaching a certain limit in his swordplay skills, he had never managed to break through.
When facing weaker opponents, he could rely on his greater speed to strike first.
But when up against enemies stronger than himself in sword techniques, he would usually abandon the blade altogether and instead overwhelm them directly with ninjutsu.
The metallic clangs rang out continuously as two afterimages crisscrossed each other, sending shockwaves of chakra that violently stirred the air.
Saitama maintained his high-speed movements, launching relentless attacks at Shisui.
Left cut, right slash, forward stab, back slice...
Each strike surged with intense chakra, carving hollow trails through the very air.
Although Shisui's Body Flicker technique was formidable, it amounted to little before Saitama.
Even just using Lightning Release Chakra Mode, Saitama's speed alone could fully match or even surpass Shisui's. Not to mention he also mastered the Flying Thunder God, a space-time ninjutsu.
Faced with Saitama's relentless storm of attacks, Shisui gritted his teeth in resistance and gradually found himself falling into a defensive disadvantage.
Crack!
Only about ten seconds had passed, yet the two had already exchanged over a hundred blows.
When Saitama delivered his final blow onto Shisui's sword, the weapon snapped cleanly, shattering into three pieces.
This caused Saitama's eyes to light up, and the Chidori Current around his arm surged more violently.
"Trouble!"
Still maintaining his defensive stance, Shisui was equally surprised by his suddenly failing weapon.
Gripping the hilt, he immediately unleashed a surge of chakra, molding it into the shape of a blade, barely managing to raise it defensively before his chest.
His feet quickly stepped backward.
But Saitama's sword showed no mercy—it continued its assault on Shisui.
The blade, charged with the Chidori Current, sliced straight through Shisui's chakra and struck his body. A crisp sizzling sound filled the air.
Yet, as he completed the attack, Saitama showed no sign of triumph. Instead, he swiftly twisted his body, then propelled himself toward another direction entirely with a powerful kick off the ground.
At that instant, the Shisui in front of him split into two wooden logs.
He had activated the Substitution Jutsu.
[Wind Release: Air Bullet!]
The very spot where Saitama was heading became where Shisui reappeared.
As soon as Shisui manifested, he launched a ninjutsu at Saitama—clearly aware that a simple substitution wouldn't fool his opponent for long.
The air bullet shrieked forward, whipping the surrounding air into a fierce gale that left countless tiny cuts across the ground.
With explosive force, Saitama accelerated even further by pushing off the ground.
His body coiled like a drawn bowstring—then snapped forward with deadly precision.
Lifting the tip of his blade slightly, aiming straight ahead, Saitama charged forward with no intention of dodging whatsoever.
Over there, Shisui hadn't expected Saitama to keep attacking under these circumstances. His eyebrows furrowed slightly, eyes darting as he considered his next move.
Whoosh—
The powerful Chidori Current easily tore through the massive Air Bullet coming straight at Saitama.
After piercing through it, his tall figure continued thrusting toward Shisui behind.
That previous jutsu didn't even make him slow down.
Breaking through those attacks, Saitama seemed to become an unstoppable war god—divine and invincible.
Shisui felt surprised that Saitama had broken through his fully-powered ninjutsu so effortlessly.
He swiftly leapt back, a thin layer of chakra swirling around his body.
Saitama's Sharingan fixed on Shisui, instantly detecting his movement. Instantly, a layer of lightning chakra surfaced on his body as he sped up further to chase.
A flash of blade light passed by.
Shisui's rapidly retreating figure paused momentarily as a thin red line sliced from his shoulder all the way down to his abdomen.
Hitting him once, Saitama pressed forward relentlessly.
Shisui's expression changed again.
This time, the attack aimed directly for his life. Without hesitation, his Sharingan transformed.
Growing deeper and more mysterious.
Roar!
In an instant, Shisui's Susanoo emerged halfway—a green flame burning in the air.
As soon as the giant manifested, it roared fiercely at Saitama, then grabbed directly at him mid-charge, forcibly halting his momentum.
Deng—
Startled, Saitama dashed backward, then assumed a stance while landing sideways, holding his weapon defensively before him.
Susanoo didn't capitalize on the moment—it stopped its advance after pushing Saitama back.
Still forming, this Susanoo wasn't yet complete—only half a body with arms.
Taking advantage of this brief moment, Shisui continuously consumed ocular power to accelerate Susanoo's evolution.
Quickly, muscle lines formed over the bone framework, while green flames surged into something resembling armor.
It had now entered the second stage of Susanoo.
His enemy was Saitama Uchiha—he dared not be careless.
"It seems you've run out of tricks,"
Saitama looked at the defensive Shisui, murmuring softly.
Perhaps he was simply too powerful—even facing Shisui, he still seemed overwhelmingly superior.
Snap—
He brought both hands together in front of his chest as chakra surged within him.
[Wood Release—Wood Dragon Technique!]
Muttering softly, he stared ahead, seemingly making a firm decision.
Boom—
Something immense rose from beneath the earth, shattering the ground open.
Emerging from below were numerous enormous wooden dragons.
Many in number, they spread outward like blooming flowers, radiating from a central point.
Their dragon heads targeted Shisui, their aura and size completely rivaling Susanoo at this moment.
Whoosh—
Saitama stood atop the largest dragon's head, suddenly leaning forward.
Then, the wood dragons lunged toward Susanoo.
The distance between them was short enough that within moments, they collided violently head-on.
The blade of Susano kept dancing, striking against the charging Wooden Dragons.
However, the Wooden Dragons' bodies were extremely solid. The sword could only chop off countless splinters without severing their bodies in one blow.
Moreover, the space available for Susano to maneuver was instantly reduced after the collision.
Because the Wooden Dragons immediately used their wrapping and biting technique, preventing Susano from continuing his sword strikes and making every step forward extremely difficult.
Grrrr—
A deep growl rumbled from Susano.
The green flames engulfing his body surged even higher. At their core, Shisui's expression darkened further.
Such large-scale Wood Release indeed surprised him.
He concentrated, his eyes throbbing in pain, yet strength surged through Susano's form, growing even more massive. His muscular outlines and the armor covering his surface became sharper and clearer.
Shisui looked up, locking eyes with Saitama's cold gaze.
Blood started to stream from the corners of his eyes, yet his expression turned solemn beyond measure.
"This time, as long as I'm here, no accident will ever happen again. Now that you've passed the edge of fate, descend into oblivion with me—this is all I can offer."
Activating Susano, Shisui faintly sensed that Susano's power had not yet reached its limit. However, his ocular power currently wasn't sufficient to unlock this hidden strength.
As he said these words, chakra flared around his body, identical to the green flame surrounding Susano.
Ignoring the damage to his eyes, he pushed Susano to full power!
Grrrr—
Trapped tightly and bitten by numerous Wooden Dragons, Susano let out a furious roar. He grabbed one Wooden Dragon with one hand and tore it straight off his body,
Then hurled it far away.
Its body suddenly stretched higher, with legs erupting from nowhere.
The thigh-covering skirt-armor emerged from within the green flames before finally solidifying into physical form.
"What?!"
Standing atop the Wooden Dragon's head, Saitama revealed a trace of surprise.
At this moment, Shisui suddenly erupted in power, pushing Susano toward its complete form.
Although achieving Complete Body Susano didn't necessarily require the *Eternal Mangekyō*, normally only by obtaining the Eternal or implanting Hashirama's cells would one possess enough ocular power to support such transformation.
A Katana cloaked in green flame swept horizontally from left to right. Saitama's Wooden Dragons suffered heavy damage instantly, being severed midsection before crashing to the ground in halves.
Now, Shisui stood positioned on Susano's forehead, gazing down at Saitama who stood atop a Wooden Dragon head barely reaching his waist.
Whoosh! Susano lashed out once more.
Although the sword moved seemingly slowly, its range of attack had expanded drastically.
Therefore, this strike left Saitama with very few options to evade. With no choice, he abandoned the Wooden Dragon beneath his feet and quickly retreated backward.
The Wooden Dragons lunged toward Susano's blade, but they seemed incomparable—cut through instantaneously.
So this is the power of someone who can summon Susanoo with just one eye?
The surprises he brought always exceeded ordinary expectations.
Saitama descended toward the ground, the wind whistling past his ears.
His gaze fixed on Shisui as a flurry of thoughts raced through his mind.
Susanoo!!
The tomoe within his eyes began to connect, eventually forming his own unique Mangekyou. A pale blue ethereal figure started to materialize around him.
But in an instant, the intangible became solid.
At first, only ribs surrounded by crackling lightning emerged, followed by arms and legs.
Boom--
A colossal figure crashed onto the ground.
Clad entirely in pale blue armor, it wielded two uniquely shaped weapons in each hand.
The moment it appeared, it slammed down on one knee, shaking the entire battlefield.
Crackle--
Electric arcs continuously surged over its body, making it appear even more tangible.
The Susanoo lifted its head and slowly rose to its full height.
Boom-- The blade in its left hand erupted with fierce red flames laced with subtle threads of black, resembling the mythical Amaterasu's flames.
Hiss-- The sword in its right hand became enveloped in a churning torrent of blue-white Chidori Current, rapidly increasing in size.
"It's not just you who can use Susanoo!"
Just like how only fire can fight fire, only a Gundam can defeat another Gundam!
Shisui didn't say a word; most of his face was already drenched in blood.
Forcefully activating the complete form of Susanoo definitely came at a cost.
Judging from current circumstances, his vision had already become extremely blurry, as though the world were covered under layers of gauze.
Time was short!
He could feel his deteriorating condition.
Thus, the green-armored Susanoo took its sword in both hands and charged toward Saitama.
Clang--
Shisui's katana met resistance as Saitama blocked the strike.
Wherever they stepped, the earth appeared fragile and powerless beneath these two hundred-meter-tall titans.
Rocks exploded and craters tore through the ground with every movement.
After parrying Shisui's attack, Saitama wasted no time retaliating—the Susanoo shot its leg upward and launched a devastating kick straight into the enemy's chest.
An earth-shaking boom echoed instantly, sending waves of green flame and raw chakra bursting from the impact site.
This single blow sent the enemy staggering backward several steps, trampling trees along the ground like blades of grass.
Yet simply pushing his foe back wasn't enough for Saitama.
Immediately after landing the kick, he manipulated the Susanoo to whirl the weapons in its hands.
Flames and lightning intertwined midair, effortlessly coalescing into twin dragon-shaped ninjutsu attacks.
[Dragon Flame Art!]
[Chidori Dragon Surge!!]
"What is this..."
Still reeling from being kicked away, Shisui suddenly saw the incoming assault.
Could the Susanoo release jutsu too? That was something he hadn't anticipated.
In desperation, he raised his sword, pouring massive amounts of chakra into it.
Boom--
Saitama's ninjutsu slammed directly into the green giant, unleashing an earth-shattering explosion.
Far away, Nagato—who had recently parted ways with Saitama—turned his attention sharply in this direction, surprised.
However, due to the mountains blocking the view, although he could sense the fluctuating chakra, he couldn't see what was happening clearly.
"Who could he have encountered? To generate such an intense disturbance."
His Rinnegan pulsed slightly as the patterns within it shifted subtly.
But soon, he turned his gaze toward the battlefield in Konoha.
Even he couldn't begin to guess Saitama Uchiha's true power, so why bother keeping track of that fight?
His target was Nine-Tails.
"The White Zetsu should handle things fine. We just need to wait for the right moment."
Nagato stood silently as mountain winds blew past, lifting his hair, which had somehow already returned to its original crimson shade.
"Cough! Cough!"
The green giant was flipped directly onto the ground, looking utterly battered.
It was Shisui coughing—Saitama's last attack had shaken up his internal structure, causing some damage to his body.
"This is your true power?"
Shisui realized now how foolish he'd been.
Even after using what he thought was his trump card, reality had slapped him hard across the face.
Swish—
Saitama leapt high into the air. Susanoo tightened its legs close to its abdomen, gripping two weapons—one forward, one reverse—in each hand.
Black-red and pale-blue streaked briefly through the air as Saitama "piloted" the Gundam straight down toward Shisui, who still lay on the ground.
Though struck by that Ninjutsu, Shisui hadn't lost mobility.
So when the shadow fell from above, he rolled aside instantly, letting Susanoo narrowly evade Saitama's devastating drop-kick.
That heavy strike slammed into the clearing instead, creating a deep crater over ten meters wide beneath Susanoo's knee.
A surge of Chidori Current burst outward from the knee, spreading across the battlefield.
Dodging Saitama's attack, Shisui flipped upward, raising his katana and slashing immediately at Saitama.
The Nature-Transformed chakra sharpened the blade to a razor edge. It sliced through the air with such force it seemed to tear it apart, heading straight for Saitama.
Swish—
Susanoo unsheathed its sword under Saitama's control. Leaning its body forward slightly, it met Shisui's blade head-on as it rose.
CLANG!
The two giants crashed together once again.
Although Saitama was reacting second, Shisui still gained no advantage whatsoever.
And with that first step, Saitama fully opened up his offensive momentum.
Weapons twirled continuously in both hands while chakra wildly surged all around.
As they passed each other once more, Saitama's blades slashed across Shisui's Gundam chest, leaving behind a long, narrow wound that tore through the nearly transparent armor covering its surface.
"Tschk!"
Though this blow wasn't serious, with only continued ocular power output needed to recover quickly,
the moment that idea crossed Shisui's mind, his eyes flared with sudden pain, darkness consuming his vision for several seconds. His chest tightened, and blood burst from his mouth.
Since the pilot himself was in this condition, naturally Susanoo also slowed in response.
Seeing this, Saitama narrowed his eyes sharply before plunging his left hand at the opponent's shoulder and sweeping his right across the neck.
Crash—
The green giant raised its katana to block, its entire body rapidly retreating backward.
Yet Saitama's attacks still found their mark.
After those dual strikes, the pale-blue giant spun on its left foot, twisting its body violently and swinging its right leg into the face of the green giant.
Its huge size had clearly slowed it down.
The green giant crashed to the ground again.
But this time, it didn't get back up immediately.
And Saitama kept attacking.
Because Shisui's Susanoo was already collapsing.
The physical form was slowly fading into a ghostly figure, and the wounds no longer healed.
Swish—
The blue-and-white giant stood nearby, swinging the weapons in both hands. The air split into two trails of different colors.
"Has it reached its limit?"
Shisui tightly shut his eyes; blood had already blurred his vision.
He wanted to fight on—but there was nothing left in his eyes, just emptiness.
The disappearance of Susanoo often happened in an instant.
The green giant dissolved directly into the air within a short time, leaving not even a single bone behind.
"It seems the result has been decided."
Saitama looked at Shisui as his body gradually separated from Susanoo and landed on the ground.
Before his eyes, Shisui's figure bent forward; blood dripped continuously from his eye sockets, then down his chin to the floor.
His arms hung limply at both sides of his body, clearly no longer able to fight.
Dada—
Expressionless, Saitama walked toward Shisui. A [Chidori Current] began forming around his right hand.
The sound of electric sparks crackled like a flock of noisy birds.
His pace quickened; the distance between them steadily narrowed.
Yet Shisui stood still, seemingly ignoring Saitama approaching.
Da—
Half a meter away, Saitama halted and thrust his hand swiftly forward.
This strike pierced through Shisui's body, forcing his lowered head to snap upward.
"Cough… cough!"
"It's over, Shisui."
"Yeah, it's over, Saitama."
Shisui stared at Saitama, squinting as he tried to focus through the pain.
His vision had suffered serious damage from forcibly using Perfect Susanoo.
"I'm sorry."
Seeing Shisui's still fierce and stubborn gaze, Saitama softened his tone. Suddenly, he yanked his hand free.
Along with Shisui's cry of pain, blood splattered onto Saitama's body.
Shisui's right hand shot out from behind and plunged toward Saitama's waist.
The kunai strike was slow; Saitama could easily have dodged.
But he didn't move, standing still.
With a sharp *zhii*, the kunai plunged into muscle, then halted without going deeper, held back by tightly tensed flesh.
"Although I'd like to say it's fine, I still can't agree with your choice. This is my final farewell to you!"
Shisui released his grip on the kunai, his eyelids gradually lowering.
Thud—
His entire body collapsed flat onto the ground.
Blood steadily flowed outward, staining the earth red.
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