He had always only known how to use magnetic force to roughly attract metal, smash, ram, and construct weapons, relying solely on brute force for attacks.
But the uses Ivan spoke of shattered all his understanding of magnetic force.
So, magnetic force could be used like this?
He subconsciously stopped his attack, ignoring the pain from his injuries, and actually tried to mobilize magnetic force according to Ivan's suggestions.
He first attempted high-frequency vibrating iron sand, but the fine particles were extremely difficult to control, scattering the moment they vibrated, unable to coalesce into shape.
He then tried an anti-gravity magnetic field to levitate, but had no idea how to do it, his body completely unable to lift off.
But when he tried to concentrate magnetic force to construct an electromagnetic rail, it went surprisingly smoothly.
The Railgun could actually be achieved!
He took a deep breath, holding nothing back, and fully activated his Magnet-Magnet Fruit ability.
Faint blue electric arcs began to crackle in the air.
A large amount of metal gathered before him, tightly compressed by magnetic force, forming a special, several-meter-long, square-shaped firearm.
Around the firearm, the magnetic field twisted wildly, and a straight electromagnetic rail took shape inside it.
Kid's control wasn't yet at the level of constructing an electromagnetic rail out of thin air, but with the constraint of the special firearm, he barely managed to complete it.
Once the electromagnetic rail was constructed, Kid focused intently, constantly fine-tuning the angle of the magnetic rail and suppressing energy dissipation.
After several seconds of charging and calibration, he suddenly opened his eyes, roared, and pushed forward fiercely:
"Die, Railgun!"
Hum!
In an instant, a metal bullet compressed to its limit shot out, transforming into a streak of white light wrapped in dense electric currents. It flew toward Ivan at a terrifying speed beyond normal reaction.
The power of this move far exceeded Kid's previous attacks, even several times or dozens of times stronger!
However, Kid was ultimately using this move for the first time, and his control over the rail was still clumsy.
The white light almost grazed Ivan's side before vanishing into the distance.
It missed.
Even so, the power displayed by this strike was still astonishing.
The white light pierced through countless towering trees along its path, the trunks snapping as if made of paper.
Immediately after, the beam crashed fiercely into the sea surface not far away. With a loud boom, the seawater was forcibly blasted open into a massive trench that took a long time to close.
In the distance, the group of Supernovas who had been watching were stunned.
Law narrowed his eyes slightly, his originally indifferent expression finally showing clear fluctuation:
"What kind of attack was that? Did Kid really become this much stronger just by listening to Uchiha Madara's advice?"
Bonney was also shocked, her small face filled with astonishment:
"How is that possible? To become this strong in an instant?
If I faced that white light head-on, I'd definitely be pierced through!"
Drake's expression was grave:
"The Magnet-Magnet Fruit can actually be this terrifying? Does Shadow Garden understand Devil Fruits so well that just a few words could make Kid this much stronger?"
Urouge rubbed his bald head, muttering:
"Goodness, if that had hit, who could withstand it…"
After a brief silence, everyone quickly reached the same conclusion.
"That Uchiha Madara has overplayed his hand this time."
"He's too arrogant, actually telling his opponent how to use a move during a fight."
"Exactly, he's digging his own grave! Kid just mastered it, and the power is already this terrifying. With a bit more practice, he might actually turn the tables with this move!"
"Even that masked man couldn't ignore an attack of this level!"
For a moment, all the Supernovas believed that Ivan, due to his own arrogance, had personally nurtured a monster capable of threatening him.
And Kid, who had unleashed this strike himself, trembled with excitement.
Looking at the destroyed forest and parted sea in the distance, unprecedented confidence surged within him.
He stared fixedly at Ivan, grinning ferociously:
"Hahaha, thanks for the suggestion, Uchiha Madara!
In a moment, I'll use this Railgun to blast you to death myself!"
Facing Kid's provocation, Ivan instead threw his head back and laughed, his laughter wild and unrestrained:
"Hahaha, interesting, truly interesting weakling! Come at me, dance to your heart's content! Let me see just how far your ambition can reach!"
Seeing that Uchiha Madara, despite witnessing the Railgun's terrifying power, remained so arrogant, Kid's face instantly darkened to the extreme.
The magnetic force around him surged violently once more as he gritted his teeth:
"Fine, you've successfully angered me. This time, I'll blast you in half!"
With those words, Kid held nothing back, pushing his Devil Fruit ability to its limit.
Even more massive magnetic energy than before began to gather. Blue electric currents rampaged around him, and a piercing hum filled the air.
With stronger magnetic force supporting it, this electromagnetic rail was more stable than the previous one.
This Railgun, whether in speed or power, far surpassed the first one.
The Supernovas in the distance felt their hearts pounding, their breaths almost halting.
"This strike is several times stronger than the last one!"
"Just the aftermath is already this terrifying. If hit directly, there'd be nothing left!"
"This time, Uchiha Madara can't possibly block it casually, right?"
"No matter how strong he is, he'll have to go all out to defend, or he'll definitely lose!"
Everyone was convinced that Ivan was finally being pushed to the brink, forced to defend seriously.
However, just as Kid was about to fire this killing blow—
Around Ivan, azure-blue skeletons grew at an astonishing speed.
Ribs, spine, shoulder armor, head—the massive skeletal structure continued to rise, eventually transforming into a complete giant standing a hundred meters tall, towering between heaven and earth!
Complete Body Susanoo.
The giant held a massive sword, standing silently. An overwhelming pressure, superior to all things, instantly swept across the area, suffocating everyone.
Kid's pupils contracted sharply. He hadn't expected that the highly defensive skeleton from before wasn't Uchiha Madara's true power—that skeleton could actually grow to this level!
But even if the skeleton could grow, what did it matter? He was confident the Railgun could destroy anything.
Kid roared, firing the fully charged Railgun with all his might:
"Break!"
The next moment, blindingly intense white light, carrying world-destroying momentum, crashed fiercely into the Susanoo's body.
Boom!
The moment the two collided, a terrifying explosion erupted.
Immediately after, shockwaves rapidly expanded outward from the Susanoo as the center.
In just an instant, the ground shook, trees shattered, rocks cracked, and waves were once again lifted dozens of meters high.
Dust and debris shot into the sky, forming a massive mushroom cloud that lingered for a long time.
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