One Piece: The Max-Level Blacksmith of Marineford

Speaking of the speedboat, Hammer revealed a hint of reminiscence. This speedboat had accompanied him across the ocean and to the other side.

Warring States Period: ...Never to break? That sounds pretty impressive.

The next second, golden light shone brightly.

"Holy crap, old man from the Warring States period, what are you doing? Put that big bear paw down right now!"

Amidst Iron Hammer's exclamation, Buddha Sengoku made his move, but only against a wrecked speedboat.

The shockwave was skillfully controlled by Sengoku and contained within a small area, striking directly at the bottom of the speedboat.

"dei!" (first tone)

A very comical sound rang out, and the instigator, Sengoku, looked completely bewildered.

He didn't understand why the shockwave would make that sound.

Even Hammer, the creator of the speedboat, was completely baffled.

It's true that it's indestructible; after all, the speedboat wasn't damaged at all when the shockwave hit. But what's with that "dei!" sound?

To verify the situation, Iron Hammer also raised his right fist and swung it at the speedboat.

"Yes!"

Another strange note rang out.

Iron Hammer and Warring States' mouths twitched, and then the two of them started punching the small speedboat wildly.

dei! dei! dei!

dei! dei! dei! dei!

Various "dei! dei!" sounds rose and fell, ranging from one to four tones.

Warring States Period: ...

Hammer: .....

"See, old man from the Warring States period? I told you my speedboat would never break down! Didn't I!"

"Yes! It definitely won't break!"

The two, having been thoroughly humiliated, quickly stopped, exchanged a glance, and found their eyes filled with embarrassment.

"Alright, enough dawdling, help me lower the speedboat!"

"Oh, good."

As the speedboat entered the sea, Iron Hammer jumped directly to the driver's seat, took out a bent piece of steel, and firmly fastened it to the forward deflector.

The speedboat began to move forward with the roar of its engine, while Iron Hammer quickly leaped up and used Moonwalk to return to the deck of the warship.

As the speedboat hurtled straight toward the belly of the Golden Lion Fleet, Iron Hammer and Sengoku exchanged a glance and nodded in agreement.

"No, old man, I nodded because I knew what was going to happen. What do you mean by nodding?"

"Huh? I saw you nod, so I nodded too."

Hammer: ....This is supposed to be a strategist?! Hammer's strategist!

The three-way battle was raging fiercely.

Roger and the Golden Lion were locked in a fierce battle.

However, as time went on, it became clear that Roger's physical strength was gradually declining.

Almost all the powerful figures present noticed this situation.

A hint of anxiety flashed in Rayleigh's eyes.

The golden lion felt a sense of comfort.

A hint of sadness flashed across Barrett's face.

The ship's doctor, Crocus, also showed a hint of anxiety.

"We can't afford to delay any longer! Everyone, give it your all, let's fight our way out!"

"Roger!"

Upon seeing this, Rayleigh roared and activated his powerful three-color Haki simultaneously.

Roger, who was fighting the Golden Lion in mid-air, was well aware of his current situation. He immediately swung his sword again, saying, "You can't dodge a god's attack, but you can't. You're not necessarily stronger than a god."

Even the Golden Lion dared not take Roger's full-force Divine Evasion head-on. He casually unleashed several slashing waves and then retreated.

"Roger! Don't even think about running!"

"Shishiwei·Gosho Scroll!"

The roaring waves, powered by the Float-Float Fruit, instantly transformed into several giant lion heads, blocking Roger's retreat.

"That... um? What's that?"

Just as Roger was about to unleash a torrent of curses, he suddenly saw something crackling with lightning rushing toward them at high speed.

"Roger! You're still the same bastard! You even interrupt the fight!"

The golden lion unleashed a slashing wave in dissatisfaction.

"Get lost, Shiki! Look for yourself, something's really coming!"

Seeing Roger's angry face, Shiki felt a sense of satisfaction, but he still activated his Observation Haki to investigate.

This investigation revealed something significant; his expression instantly darkened.

Driven by his Observation Haki, he discovered the presence of the Navy behind the fleet.

He also sensed the thing that Roger had mentioned was rapidly approaching.

"Holy crap, Roger! It's that Trident guy!"

Rayleigh, the King of the Underworld, also discovered something strange, but unlike Roger, Rayleigh recognized the thing that had almost caused their entire army's annihilation at a glance.

"What??? That thing can attract lightning???"

Roger was horrified.

Iron Hammer's Thunder Raider had already reached the center of the battle and was still advancing rapidly.

The trident was activated the moment the speedboat moved forward.

The terrifying electric current in this kind of thunderstorm is like a nuclear bomb.

As the speedboat approached the center of the thunderstorm, its own lightning became increasingly intense.

When it appeared in Roger's and the others' sight, it had already begun to gather lightning.

"Holy crap! We're not fighting anymore! Rayleigh! Run!"

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Having traversed the ocean for many years, Roger, with his exceptional sense of danger, could clearly see that the lightning gathered on the trident was nearing its peak.

In this kind of awful weather, if lightning were to break out in full force, it would be a disaster with thunder and lightning everywhere.

"Jabbar! Activate the power system! Get ready to run!!"

Rayleigh slashed down the invading enemy with a single blow and immediately roared at Jabba.

With Shiki looking completely bewildered, Roger's crew had already begun preparing to flee.

But the Golden Lion won't let them escape so easily.

"Don't even think about running, Roger! Dying here is your only way out!"

"Lion's Might - Sea-Controlling Scroll!"

With the power unleashed to its fullest extent, the sea surface instantly swelled upside down, even lifting the speedboat into the air, bringing it one step closer to the lightning.

Roger, Rayleigh, and the others were so terrified by what they saw that their eyes nearly popped out of their sockets.

This golden lion is probably courting death by stepping on landmines and jumping on thunderbolts!

Finally, the Thunder Raider erupted in mid-air, its trident flashing with dazzling lightning, attracting everyone's attention.

All the lightning in the sky was gathered together by it, and the next second...

"Crack!"

The trident erupted with a thunderous roar, its entire body turning a blinding white light.

Lightning erupted, and with the trident as a guide, all the lightning began to pour down indiscriminately.

"Holy crap!! What is this thing?!"

The startled Golden Lion quickly canceled his ability, and the seawater instantly fell, but the speedboat was enveloped in lightning and suspended in mid-air.

The two sides stopped fighting and, feeling the cataclysmic lightning, began to scatter and flee.

But Hammer didn't just put a trident on the speedboat.

As lightning erupted, the ore beneath the trident, adorned with golden patterns, began to ignite.

This is a type of lightning lava, a mineral formed by being infused with lightning, containing some lightning power within it.

Under the furious bombardment of lightning, these ores also began to function, absorbing large amounts of lightning.