The Uchiha Style: Instant Void Slash.
This was a strike Uchiha Setsuna had once unleashed out of fear that Ren would kill Seiichiro back when they first left the village for the Land of Hot Springs. This swordsmanship was somewhat similar to the "Wind Wall" used by a certain swordsman named Yasuo in a MOBA game—it could effectively sever any projectile within a three-foot radius of the user.
This was a blade tempered in the fires of life-and-death struggle. It would never betray Ren Uchiha!
In an instant, a lunar-white arc of light cut outward from Ren's body. Moving from left to right, it was like a hot knife through butter, or a master butcher deboning an ox. With a speed the naked eye could barely track, it sliced through the kill-zone of the fireballs!
It precisely severed the chakra structure maintaining the spheres. The blue Mouse Hair Balls within three feet of him were split in two and dissipated into pops of smoke!
Then—
The Mouse Hair Balls coming from other directions detonated, giving birth to a sea of flames out of thin air! A violent gale erupted!
Burning within that sea of fire, enduring the agonizing sting of the flames, Ren used the very blast provided by his enemy as a powerful boost!
"HRAAAAAAAAH!!
"—DIE!"
Ren gritted his teeth, the veins on his forehead bulging inch by inch, his facial features twisting into a terrifying mask. Carrying the charred marks of burns across his body, his speed surged once more!
He sprinted, sprinted, sprinted across the massive back of the Two-Tails! Like a piercing arrow, he held the hilt horizontally with both hands, raising the blade to eye level, and thrust it straight toward Yugito Nii's heart!
"Hiss—"
Meeting that gaze of pure madness, Yugito couldn't help but gasp. A sinister chill crept up her neck, making her shudder violently. A peak level of primal fear rose in her heart.
Does he not value his life?!
Monster!
Yugito's eyes snapped wide in horror as Ren drew closer. Her scalp tingled, and her limbs began to go numb and cold.
"Madman! A complete and utter madman!"
"He'll die doing this too! What does he gain? Why is he doing this? He—"
"—!!"
Yugito had believed that her loyalty to the village and her willingness to sacrifice everything would be enough to overcome the fear of death. But in the end, she realized she was wrong!
Just as described in the original history, even though she had mastered the full Tailed Beast transformation, Yugito was always a hair's breadth away from being a "Perfect Jinchūriki"—from gaining the Two-Tails' true recognition. Because she hadn't found her own love; she didn't have a singular, driving will of her own!
Under this harsh interrogation of life, death, and her own true nature... she faltered!
"Don't hesitate!"
Seeing this and sensing the tragedy about to unfold, Killer B's eyes threatened to pop out of their sockets as he roared in fury and alarm.
"RUN! YUGITO!!"
Even knowing he was too late, B forced the massive body of the Eight-Tails to turn, fruitlessly reaching out with a giant hand toward the unstoppable Ren!
Hearing B's roar, Yugito felt a cold sweat break out on her brow, her hair standing on end. She swallowed hard. She actually gave up on her resistance, turned her back, and physically tore herself free from the Two-Tails' transformation.
She tried to flee without looking back!
"Why is it always someone trying to run?!"
The sight of her fleeing back caused dead memories to surge into Ren's mind, "beating" him with frustration. The mad, respectful grin he had worn vanished instantly, replaced by sheer irritation.
"Can't you bastards just struggle properly before you die?!"
His expression became as cold as frost. He pulled back the blade, swung the hilt in a long arc, and planted his feet in a deep bow-stance.
"Dammit, coward!"
"Taste my 'Brute Force over Finesse' Sword Style!"
Suddenly, Ren leapt high into the air. In mid-flight, he threw the Kusanagi Sword—vibrating with incandescent white flames—with all his might!
—SHOO!
The blade sliced through the moonless night. In an instant, a brilliance like the sun illuminated the earth! The three-foot blade transformed back into a forty-meter giant of flowing flame in mid-air. Carrying unparalleled gales, dense lightning, and ultra-high-temperature fire, it shot forward!
At this moment, Ren looked like a celestial sword-immortal commanding a divine relic! With a single thought, the blade crossed the hundred-meter gap between them!
Psh-tkt!
As the sword shot past, Yugito Nii's legs were instantly melted off at the hips! The residual lightning and flames on the blade seared the wounds into charred blackness, indirectly cauterizing them and stopping the bleeding.
Ren plummeted from the sky with a look of pure rage. He hooked his five fingers into a claw, aiming a "Black Tiger Steals the Heart" strike straight at Yugito's chest!
"NO!!"
Watching this, Killer B's eyes bulged. His face went pale, and his whole body trembled. And Yugito, on the verge of death, suddenly realized something. She had nowhere left to run!
She could have used a partial Two-Tails claw to resist; Ren himself wasn't sure the Kusanagi Sword could cut through that—after all, those claws were strong enough to swat away even Madara Uchiha. But in that split second, the seven-year-old child had been afraid.
Filled with regret, resentment, and unwilling despair, Yugito took a deep breath. Her face twitched with fear, and her teeth chattered.
"It's my fault... it's my fault..."
Finally, she squeezed her eyes shut, tilted her neck back, and cried out to Killer B in a voice full of sorrow:
"B-senpai!!"
"Take me with him! Use the Tailed Beast Bomb!"
"Don't forget his ability! You must never let the Two-Tails fall into his hands! Fast!"
"KILL HIM!!"
Hearing this, Killer B bit his teeth so hard they nearly shattered. A torrent of rage, hatred, and extreme emotion was ignited in his soul!
"—ROAR!!"
The full-form Eight-Tails roared at the sky, the sound echoing through the entire Valley of Hell. Everyone within ten miles could feel the profound sadness contained in that howl.
Then, a pitch-black sphere began to expand at its mouth. With a 2:8 ratio of Yin and Yang chakra, it swelled at a terrifying speed!
"You evil Uchiha brat!!"
"I'll kill you!"
"I'll definitely kill you!"
At this moment, even though he was a Perfect Jinchūriki who should have been able to keep a cool head and suppress the beast's extreme emotions... Killer B had completely lost it!
However—
"Heh... Hahahaha! HAHAHAHAHA!"
A wild laugh interrupted B's grief!
Ren was already standing over Yugito. Without a shred of mercy, his hand had already plunged into her chest! He tore through her clothing, snapped the chainmail underneath, and pierced through flesh and bone!
His palm pressed firmly against the mark etched there—the Iron Armor Seal passed down through the Kumogakure line!
"And here I thought you didn't feel pain!"
"Killer B!"
"Before you tried to kill those I hold dear, did you ever consider this ending?!"
"YOU BRUTE!!"
Ren snapped his crimson Sharingan wide, staring directly at the Killer B who was about to fire the Tailed Beast Bomb. His face was a mask of savage insanity. He raised one hand to cover his forehead and laughed toward the sky:
"Heh... Hahahaha!"
"Let me tell you something—"
"It's already—"
"TOO LATE!!!"
Ren's hand shifted, and the formula for the Four Symbols Unseal manifested in his palm! In the next instant, the Uzumaki Four Symbols formula collided with the Kumo Iron Armor Seal!
Crack!
The Iron Armor Seal instantly fractured. Then—
Crack! Crack! Crack!
A dense web of fissures appeared across the seal. Finally, the entire formula shattered completely! A deep, malevolent, and searingly hot chakra erupted silently from Yugito Nii's chest!
Standing amidst that true Tailed Beast power, Ren wore a twisted, playful grin.
"Now... return to this world—"
"TWO-TAILS!!"
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