One Piece: Signing In as a Pirate Begins with Roger's Execution

Teach broke out in a cold sweat.

He never expected that this Marine before him would know about someone as insignificant as himself.

Even more shocking was that the Marine mentioned a title of his that hadn't been made public. This deeply unsettled Teach.

Shanks, too, shifted his gaze onto Teach.

He couldn't understand what was so special about this person that Karl would remember his name.

"Kuro, take Bellemere back to the ship. What happens next is out of your league."

"Understood!"

Following Karl's command, Kuro immediately escorted Bellemere away.

Shanks took a step back, ensuring he didn't expose his back to either Teach or Karl.

Teach's stance was unclear, but as a member of the Whitebeard Pirates, he was naturally an enemy of Shanks.

And as for Karl, a Marine? Even more so.

"Teach, you may not be well-known, but I'm fully aware of your capabilities!"

Before the sentence was even finished, Karl had already used Soru, appearing instantly before Teach and gripping his shoulder!

However, Teach reacted just as swiftly.

He covered his right hand in Armament Haki and threw a punch at Karl!

The strike was in stark contrast to his trembling earlier, making it clear that his fear was nothing but a façade.

The power behind this punch was comparable to that of a Marine Vice Admiral!

At just 18 or 19 years old, Teach's strength had already reached such a level that he stood out even among the Whitebeard Pirates.

Yet, he willingly stayed in the shadows, all for the sake of his plan—everything to obtain the Yami Yami no Mi!

"Damn it! How is your strength this monstrous? You're a freak!"

Teach's face contorted, sweat pouring down his forehead.

His full-force punch was effortlessly blocked by Karl.

This situation left Teach feeling uneasy.

He threw another punch, but Karl blocked it again, locking the two in a stalemate.

'Blackbeard Teach signed in successfully. Body Enhancement upgraded to Perfect!'

'Body Enhancement (Perfect): Physical density increased fivefold!'

With the system notification complete, Karl immediately flung Teach aside, smashing him into a pirate tavern nearby.

"Fivefold physical density?"

Karl briefly sensed the difference between fivefold and his previous threefold density—it wasn't too significant.

"Could it be because I didn't bring Buggy along? Did my luck run out without him around?"

Thinking of this, Karl sighed, accepting his seemingly "unlucky" fate.

In his previous battles against Shiki and Douglas Bullet, Buggy had been present, acting as a strange "luck charm" that helped Karl gain the abilities he wanted.

Without Buggy this time, Karl realized he would need to be more cautious with future sign-ins.

"Karl! You just mentioned Buggy—what have you done to him?"

Suddenly, Shanks erupted in anger.

A sharp wave of sword energy surged toward Karl!

Facing Shanks' attack, Karl casually drew Sandai Kitetsu and dispersed the strike effortlessly.

"You haven't been following the news lately, have you? Buggy's a Marine in the East Blue now, and one of my trusted subordinates. Why would I harm him?"

"Really?"

"Absolutely."

Hearing this, Shanks finally exhaled in relief. Placing his straw hat on his back, he awkwardly scratched his head.

"Well… over the past year, I've been training in swordsmanship with Uncle Rayleigh. I haven't been out to sea or read the news…"

"With Rayleigh? No wonder your swordsmanship has improved to the point where it rivals that of a Marine Vice Admiral."

Karl nodded, now understanding why Shanks had grown so strong in such a short time.

When Karl last encountered Shanks in Loguetown, his strength was barely at the level of a Marine Rear Admiral.

But now, Shanks had surpassed the average Vice Admiral, though he still fell short of an Admiral. His rapid growth was a testament to his extraordinary talent, coupled with Rayleigh's mentorship.

Rayleigh would undoubtedly hold nothing back when teaching Shanks, and with Shanks' innate talent, his progress in a year was remarkable.

"Hey, Shanks, right? You're strong. How about we team up and break through together? This Marine is a monster. If we fight him separately, we won't stand a chance!"

Teach quietly moved closer to Shanks, slipping his claws onto his wrists, now fully prepared to fight.

Shanks frowned, scrutinizing Teach.

From Teach, he felt an overwhelming sense of danger—far greater than what Karl emanated.

"Blackbeard Teach?"

"Uh… yeah, that's me…"

Teach scratched his belly, feeling uncomfortable under Shanks' wary gaze.

These two men, destined to become future Emperors of the Sea, now found themselves teaming up against Karl, creating an oddly surreal scene.

"Since you two have decided to join forces, I won't hold back anymore!"

"Tempest—"

With Karl's low chant, a colossal dragon-shaped storm emerged before the two.

Witnessing this display of power—akin to a natural disaster—Shanks and Teach leaped back in shock.

With a thunderous roar, the storm surged forward, swallowing everything in its path, kicking up debris and dust as it bore down on them.

"Damn it! So this is the power of the Fuwa Fuwa no Mi (Float-Float Fruit)? It rivals even Dad's Gura Gura no Mi (Tremor-Tremor Fruit)!"

"The previous user of the Fuwa Fuwa no Mi, Golden Lion Shiki, was a match for Whitebeard and my captain, Roger! But I never imagined that in just a year, Karl could wield its power at a level equal to Shiki's. What a monster!"

As they fled, Shanks and Teach exchanged information.

Though the details weren't particularly secretive, Teach lacked the full picture.

Shanks, having fought in a battle against Shiki, understood firsthand how terrifying the Fuwa Fuwa no Mi could be.

Back then, Roger and Rayleigh led the charge against Shiki, while Shanks merely dealt with minor skirmishes.

Now, facing Karl, Shanks finally comprehended the full scope of the fruit's power.

Meanwhile, on the Marine warship, Kuro and Bellemere watched the chaos unfold, marveling at the scene.

"This is Karl-sama's power. We're miles behind him. Kuro, do you think we'll ever catch up to him?"

"Maybe…"

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