"Come forth—Kongō Fūso!!" (Adamantine Sealing Chains)
With Naruto's shout, four brilliant golden chains suddenly burst out from his back.
"Shua! Shua! Shua..."
The four golden chains shot up into the sky like meteors streaking across the heavens.
A sharp sound of rushing air echoed.
Accompanied by the metallic scrape of chain against chain.
Under everyone's stunned gaze, the golden chains circled Naruto like soaring dragons.
"What is this? Could Uzumaki Naruto be a Chain-Chain Fruit user? Hyaa-ha!"
Ivankov asked in confusion.
"These four chains… They give me an ominous feeling…"
Inazuma looked at them grimly.
"Naruto-sama is amazing! These chains are so beautiful, they look like they're made of pure gold!"
Nami's eyes sparkled with admiration.
Naruto didn't answer. He himself stared in surprise at the chains swirling around him.
"Kongō Fūso!?"
"I… I awakened this bloodline limit too!?"
He knew what these chains were — the signature bloodline technique of the Uzumaki clan: the ultimate sealing art, Kongō Fūsoku.
This Kekkei Genkai (Bloodline Limit) was supposed to be exclusive to the direct lineage of the Uzumaki clan — those like Kushina or Karin.
And while he bore the Uzumaki name, his golden hair clearly showed that he inherited more of Minato's lineage.
But as he thought more about it, a smile surfaced in Naruto's eyes.
"The rapid physical growth caused my bloodline to awaken — and along with it, my Kekkei Genkai."
Ivankov walked over and asked:
"Uzumaki Naruto, you've grown about five centimeters. How's your body feeling?"
Naruto stretched a bit and replied:
"Not bad. I do feel a bit weak, but my digestion has improved."
Ivankov let out a breath of relief.
"That's a good sign. Your body constitution is excellent — not showing any serious side effects."
Naruto wasn't surprised.
Not only did he have the pirate world's physical traits, he also had the Uzumaki constitution — and he was the Jinchūriki of the Kyūbi.
The combination of all three meant it was no shock that he withstood the growth hormone's side effects.
"That said, I'll need to quickly adjust to this rapid growth… and stock up on massive nutrition..."
Naruto gradually smiled:
"Luckily, I'm in the pirate world. Otherwise, I'd have a hard time finding enough nourishment."
In the months that followed, Naruto and Nami went to an uninhabited island.
Though desolate, it was home to many powerful beasts.
There, Naruto devoured countless creatures to make up for the deficiencies caused by his growth.
And through Kage Bunshin (Shadow Clone) training, he practiced Kenbunshoku Haki (Observation Haki), growing stronger day by day.
...
Half a year passed.
The blond youth had grown to 1.94 meters tall — a height that was imposing even in the world of pirates.
"Kongō Fūsoku!!"
As the golden-haired youth shouted, four glowing chains shot from his back, stretching across the sky.
"Clang! Clang! Clang..."
The golden chains coiled tightly around a 12-meter tall boar king — a vicious beast with giant tusks.
The enormous creature struggled madly, its raw power forcing its limbs deep into the ground.
But even so, it couldn't break free of the fierce sealing.
Naruto walked in front of the boar king, placed his right hand on its forehead, and said calmly:
"Busoshoku!" (Armament Haki)
"Boom!"
The beast shuddered like it had been struck by lightning. Its eyes rolled back, and it stumbled two steps back before collapsing to the ground with a heavy thud.
"Naruto-sama, thank goodness! We finally took that monster down!"
Nami ran over, cheering with joy.
Naruto chuckled:
"Nami, don't think you can slack off just because of that. How's your Haki and Rokushiki training coming?"
Nami's face instantly drooped.
"Naruto-sama... Kenbunshoku Haki is so hard! I've got so many bumps from training…"
Naruto ruffled her hair and used a basic healing ninjutsu.
"Didn't you say you wanted to train hard and get revenge on Fishman Island?"
"Ehehe…"
Nami stuck out her tongue and quickly changed the subject:
"Naruto-sama, didn't you say we'd set sail today to find that big sister?"
Naruto smiled when he heard that:
"Yeah. Her name is Nico Robin. I've been searching for her for a long time."
He had found Robin's trail thanks to Ivankov's intelligence network.
She was currently wanted for 11 million Berries, known as a feared assassin in the Grand Line — though no one knew her real identity.
"I won't lose to her!"
Nami clenched her fists with determination.
Huh...?
Naruto glanced at Nami in confusion, unsure where that competitive spirit was coming from.
...
Marine HQ.
"Fleet Admiral Sengoku, Uzumaki Naruto has reappeared!"
Sengoku jumped to his feet and shouted:
"Where is that damn brat now!?"
Thinking back over the past six months, Sengoku's jaw clenched with rage.
First, the World Government had been thunderously furious over the massacre of multiple Tenryūbito, issuing the highest-level bounty.
Then they blamed the Marines for their failure to intervene in time — venting their anger squarely on Marine Headquarters.
For six months straight, Sengoku had been receiving calls from the World Government, each one beginning with furious yelling.
And if that wasn't bad enough, he still had to deal with the trouble caused by Ace and Rayleigh — neither of whom were easy to handle.
"Fleet Admiral Sengoku! According to our intel, Uzumaki Naruto is rapidly approaching the Red Line!"
"WHAT!?"
Sengoku's face turned purple:
"That bastard… he wants to cross Mary Geoise again!?"
If Uzumaki Naruto managed to charge through Mary Geoise once more, Sengoku might as well resign and retire to raise kids.
He growled:
"Inform the World Government. Tell them to prepare — Uzumaki Naruto is coming."
Then he turned to the three Admirals and said grimly:
"You all know the damage Uzumaki Naruto caused last time. This time — we MUST capture him!"
Aokiji, Kizaru, and Akainu all nodded solemnly.
After the last incident, Sengoku wasn't the only one who got flamed. The three Admirals were also chewed out viciously.
While Marine HQ and the World Government prepared for another invasion…
Naruto stood at the base of the Red Line, and with a push of his right hand, opened a translucent portal.
On the other side was the opposite face of the mountain.
"Whoa! Naruto-sama, we don't have to blast our way through this time?"
Nami asked curiously as the portal shimmered.
"Nope!"
Naruto smiled:
"Any place I've been to — as long as I have enough chakra — I can open a space gate."
As he said this, he looked toward the summit of the Red Line, smirking:
"Let them sit up there drinking cold wind!"
The two stepped through the space gate and easily arrived on the other side of the Red Line.
Two days later.
Naruto finally found the figure he had been searching for all this time.
He reached out and smiled:
"Robin-chan, long time no see!"
(End of Chapter)
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