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

Kuro and Belle-Mère charged into the pirate stronghold with excitement, unleashing a ferocious assault.

The lowly pirates didn't stand a chance against the duo.

Though their strength was barely passable in Karl's eyes, to these nameless rogues, Kuro and Belle-Mère were overwhelming titans.

As the pair pressed their attack, the pirates broke ranks and scattered in all directions. But just as victory seemed certain, a massive fist appeared in front of Belle-Mère.

"Iron Body!"

Reacting swiftly, Belle-Mère planted her feet and activated Tekkai (Iron Body). However, the fist swelled in size, its surface sprouting yellow fur, catching her off guard. She tried to retreat, but it was too late.

Kuro, relying on his near-instantaneous speed, dashed in front of Belle-Mère with his arms crossed.

"Iron Body!"

Kuro, who specialized in Soru (Shave), had a better grasp of Tekkai than Belle-Mère, thanks to his natural talent. Despite this advantage, the colossal punch shattered his claws and sent him flying into Belle-Mère, knocking them both to the ground.

Before they hit the ground again, Karl appeared, catching them and setting them gently down.

"Do you see the gap between yourselves and these pirates? And this one is just a small fry in these waters," Karl remarked.

Wiping the blood from his mouth, Kuro grinned eagerly, while Belle-Mère, frustrated, clenched her fists. She hadn't expected pirates on the Grand Line to be this powerful. Even Admiral Crete, whom they had faced before, didn't possess such brute force.

"Hahaha! A couple of navy brats think they can strut around in front of me? You're courting death!"

The enemy roared from atop the platform. "I'm Gorilla Tarzan, with a bounty of 77.77 million berries! A Zoan-type user of the Ape-Ape Fruit! Watch how I crush you arrogant pests!"

Transforming into his hybrid form, Tarzan grew to a towering five meters, his imposing presence shocking both Kuro and Belle-Mère.

But before they could act, Karl vanished, reappearing behind the ape-like pirate using Soru. Slowly, Karl sheathed his Sandai Kitetsu.

"Iai..."

Before the words finished leaving his mouth, Tarzan's arms were severed, the razor-sharp strike continuing to slice through nearby pirate hideouts, reducing them to rubble.

These dens belonged to vile pirates known for plundering and slaughtering. Karl showed no mercy.

"My arms!!!" Tarzan howled in agony, charging wildly at Karl despite his injuries. However, Karl merely shot Kuro and Belle-Mère a glance.

Understanding his intent, the two launched a joint attack, sending Tarzan flying. Not giving him a chance to recover, Kuro unleashed Shakushi (Spoon) at full power, while Belle-Mère fought like a rabid beast, using every dirty trick in the book.

Even with his Zoan-enhanced recovery, Tarzan's power had dropped significantly after losing his arms. It took over ten minutes for the duo to exhaust the beast's stamina and finally defeat him, though not without sustaining injuries themselves.

"Not bad. Barely passable," Karl commented.

Defeating an armless Zoan pirate in about ten minutes with only light injuries placed Kuro and Belle-Mère at about Captain level in the Navy. Given more time, Karl was confident he could refine their skills further.

"Rest now. Leave the remaining pirates to me," Karl said, stepping forward as his Conqueror's Haki erupted.

In an instant, thousands of pirates fell unconscious, leaving Mock Town deathly silent.

Karl's attention was drawn by faint noises in the distance. "Someone's still standing. You two, go check it out."

To his surprise, someone had resisted his Haki. Belle-Mère and Kuro moved to investigate, only to be sent flying by a sudden red blur. Staggered, they couldn't even register what had hit them.

"Karl-sama..." Belle-Mère stammered.

"Don't speak. This opponent is beyond you," Karl said, stepping forward. His gaze fell on a man wearing a straw hat, who smiled.

"It's been a while, Karl," said the man.

"Indeed it has, Shanks," Karl replied with a grin.

Shanks lowered his hat, gripping Gryphon tightly. "What did you do to my brother, Buggy?"

Releasing his Conqueror's Haki, Shanks locked eyes with Karl. Karl met it with his own Haki, the collision shaking the air around them.

Belle-Mère and Kuro took cover behind Karl, shielding themselves from the shockwaves.

Suddenly, a rotund figure emerged, running toward them.

"Who's there?!" Shanks and Karl both shouted in unison.

"Don't attack! I'm Whitebeard's son! If you lay a hand on me, my old man won't let you off!" the man stammered, trembling.

Hearing the system's notification in his mind, Karl smirked.

"Blackbeard Teach, huh? I've heard a lot about you."

Shanks narrowed his eyes. "You know this guy?"

His gaze turned cold as he looked at Teach, a dangerous glint in his eye.

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