A massive fist of molten magma came crashing down, glowing red with heat and radiating a stench of sulfur. As it swept across the sea, the ocean beneath it began to boil.
Watching the terrifying attack approach, Naruto laughed maniacally under the influence of Kurama's chakra.
"Magma, huh? Interesting... it's pretty similar to Yōton (Lava Release) from Iwagakure."
Still laughing, Naruto pushed his willpower to the limit, hands flying into a series of seals:
"Suiton: Daibakusui Shōha! (Water Release: Great Exploding Water Colliding Wave!)"
With the Nine-Tails' chakra amplifying his jutsu, what was once a modest technique suddenly erupted with monstrous force.
A wild torrent surged across the sea, drawing up massive quantities of seawater to create a titanic wave.
The tsunami, over ten meters high, crashed forward.
Water met magma with an earth-shaking roar. Steam exploded into the air, blanketing the battlefield—but the water didn't stop.
BOOM!
The wave slammed into one of the Marine warships, tearing it in half.
Countless Marines were tossed into the water like dumplings into soup, sucked beneath the surface with anguished screams.
"He's forming hand seals… Could he really be a ninja!?"
Kuzan stared in disbelief at the blond boy, his heart trembling with unease.
As a Vice Admiral and admiral candidate, he had access to many classified reports—including information on the so-called "ninja," rumored to live in Wano Country in the New World.
But most reports dismissed them as frauds.
This boy, however, was different. His jutsu summoned real water. He had also unleashed wind techniques earlier.
Still reeling, Kuzan leapt from his warship and landed on the sea.
The moment his feet touched the water, his Hie Hie no Mi (Ice-Ice Fruit) activated, freezing the sea into a wide platform.
Fallen Marines scrambled to climb onto the ice.
Naruto wasted no time. He sprinted across the ice straight toward Kuzan and Sakazuki.
Kurama's chakra surged into his arms. Activating the Busōshoku Haki (Armament Haki) he had recently learned, Naruto's right hand turned jet black.
"Chidori!! (One Thousand Birds!)"
Sparks of lightning screeched from his hand as Naruto charged forward like a blood-colored bolt of thunder.
Kuzan's eyes widened. He flung his right arm forward, activating his Devil Fruit:
"Pheasant Beak!"
A massive white icebird unfurled its wings and surged toward Naruto like a blizzard.
But Naruto didn't falter. With lightning crackling from his hand, he charged straight into the oncoming storm.
CRACK!
The icebird shattered instantly.
Seeing the boy closing in, Kuzan quickly stepped back:
"Ice Wall!"
A thick wall of ice rose up between them.
Naruto grinned and drove his thunder-coated hand straight into the wall.
Crackle—crack—
Fractures spidered through the wall.
When it finally shattered, Naruto stood face to face with the future admiral.
Kuzan's face darkened.
A streak of blood trickled down from his shoulder.
He hadn't expected Naruto's Chidori to be so piercing—it tore right through his defenses.
Grimacing through the pain, Kuzan pointed his hand toward Naruto.
"Ice Time!"
A wave of chilling white frost surged forth.
Naruto felt a deep, piercing cold. He instinctively knew—if that frost touched him, he'd be frozen solid in an instant.
Without hesitation, he thrust his three chakra tails in front of him.
All three were instantly encased in ice.
But Naruto had already formed new seals. With a bright smile, he declared:
"Tajū Kage Bunshin no Jutsu! (Multiple Shadow Clone Technique!)"
Poof! Poof! Poof!
Unlike before, this time—amplified by Kurama's chakra—he created over a thousand clones.
Sakazuki and Kuzan's pupils shrank to the size of needles.
"A ninja… a real one…"
…
Ten minutes later—
The sea was littered with wreckage.
Sakazuki and Kuzan stood grim-faced, their uniforms torn, visible wounds across their bodies.
Across from them, the blond youth was barely recognizable.
Behind him, four tails lashed in the air. His body radiated crimson, his form hunched to the ground.
He stood like a beast on all fours, cloaked in malice, hatred, and overwhelming darkness.
From afar—
He looked like a miniature, blood-colored demon fox.
"What is this… thing…!?" Sakazuki stared, stunned.
During those few minutes of battle, his worldview had been shattered over and over.
He had never faced anything like Naruto.
"That last attack…" Kuzan panted, his eyes wide with lingering shock.
"In just one blow, he destroyed seven warships. My ice wall, your magma—none of it stopped him…"
"It doesn't matter. He has nowhere left to run."
Sakazuki stepped forward, his face cold.
To him, it didn't matter how strange this kid's abilities were—he had a fatal flaw: he was still a child.
With strong enough Haki, any technique could be crushed.
Kuzan nodded in agreement.
But just as Sakazuki reached Naruto, he stopped—frozen in place—then looked up at the sky.
"What is that!? A gate!?"
For the first time, the stoic Sakazuki wore a face of sheer shock.
Because behind Naruto, a massive wooden gate had materialized out of nowhere—hundreds of meters tall, piercing the heavens.
Etched upon it was a giant Sharingan, radiating immense power.
As all eyes were drawn to it, the gate slowly creaked open.
With it, the berserk, four-tailed Naruto regained his senses.
He blinked, watching as Kurama's chakra was gently pulled back, and murmured in confusion:
"…Does the Gate of Worlds have this function too?"
He could feel it—the One Piece world was rejecting him more and more, while the Naruto world was pulling him back harder and harder.
In less than an hour, he would've been sucked into the gate on his own.
Which is why he had dared to let himself go wild, all the way to the Four-Tailed Form.
After all, once he returned to Konoha, someone would help him suppress the beast.
Snapping out of his thoughts, Naruto looked at the stunned Kuzan and Sakazuki.
"Right… I never introduced myself."
"My name is Uzumaki Naruto. I'm a ninja."
He grinned.
"See you next time, future admirals."
As he spoke, the Gate of Worlds unleashed a surge of gravitational force that only affected Naruto—pulling him back to his original world.
(End of Chapter)
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