One Piece: I will become stronger by checking in

When the scabbard was sheathed, a gash suddenly appeared on Nami's abdomen, but instead of blood, a surge of lightning erupted.

Nami: "Huh?"

Ryoma: (#°Д°)!

At first, Nami was stunned, but then her excitement grew. Of course, she was a Logia user—these zombies, who lacked any haki, were practically powerless against her!

"Alright then…"

Nami dashed over to Luffy's battlefield, joining the fight. She wasn't worried about getting hit, given her powers. How confident!

Though these zombies might have been formidable warriors in their previous lives, the shadows controlling them were of low quality, and they lacked haki. As a result, Nami was completely unfazed.

With Nami's constant interference, the pressure on Luffy and the others lessened. Despite Nami's own strength not being extraordinary, her Thunder-Thunder Fruit was perfect for handling these types of battles.

Zoro suddenly called out to Nami, "Nami! Let's take these zombies down. Make sure to destroy them completely—otherwise, they'll just get back up!"

"Got it!" Nami agreed.

With their combined efforts, Luffy and the others quickly defeated the zombies, and Nami finished them off with a thunder attack. The number of zombie generals was rapidly diminishing.

Seeing this, Moria grew agitated. His original plan was to wear them down with the zombies' immortality, but now, thanks to a certain "cheater," his efforts were just boosting the enemy's experience.

Moria's face darkened, and he said to Perona, "Perona, use your Devil Fruit power to help! I'll awaken that guy!"

With that, Moria dashed toward the back.

Hogback, seeing Moria's retreat, contemplated fleeing himself. He was well aware of his own limitations and decided to follow Moria, shouting, "Lord Moria, wait for me! I'll help you!"

Perona, observing this, felt a bit exasperated. How could Hogback be of any help? Shaking her head, she turned her focus back to Luffy and the others, unconcerned. With the man who had terrified her gone, the rest of the crew didn't seem as daunting.

Determined, Perona extended her hand, summoning countless ghosts, and waved them downward.

"Negative Ghost, get them!"

As the crew fought fiercely with the zombie generals, Zoro noticed the approaching ghosts and warned Luffy, "Luffy, watch out! Ghosts are coming your way!"

"What?!" Luffy turned just in time to be passed through by a Negative Ghost.

"Plop!"

Luffy collapsed to his knees, his head hanging low as he muttered dejectedly, "If there's an afterlife, I want to be a sea ginseng!"

At that moment, a zombie's blade was swinging toward him, but just in time, a foot kicked Luffy out of the battlefield.

Zoro and Sanji stepped back, preparing to confront the zombies.

Zoro observed the ghosts and said, "Luffy was affected by those ghosts and looks like he's in trouble. Everyone, be cautious!"

Perona, standing behind the zombies, taunted them, "So what if you know? Without that man here, you're no match for us! Let's catch them without mercy!"

Ignoring Perona's taunts, Zoro addressed Nami, "Nami, I'll send all the zombies into the air. You take them down as needed!"

"Got it!" Nami nodded.

Zoro stepped forward, his aura shifting, and declared, "I'll show you my new technique!"

With that, Zoro charged at the zombies.

"Hahaha… Looking for death, are you? Stupid swordsman?" Perona mocked as Zoro approached. "You think you can take on all these zombie generals by yourself? You're dreaming!"

"Zombie generals, tear him apart!"

"Roar~"

As Zoro got closer to the zombies, he leaped into the air and shouted, "Three-Sword Style: Black Rope: Great Dragon Twister!"

In an instant, a massive tornado of sword energy erupted from the ground, sweeping up all the surrounding zombies.

Perona, caught in the tornado from afar, was also swept up.

Seeing the opportunity, Nami gathered lightning in her hands and delivered a powerful punch.

"Ten Million Volts: Discharge!"

The tremendous electric current mingled with the sword energy tornado, creating a thunderstorm-infused tornado.

Zoro's eyes lit up. Could this be a combo attack with Nami?

The newly formed tornado, now imbued with both sharp sword energy and fierce lightning, amplified its power dramatically.

When the dust settled, the zombies had all been reduced to ashes by the fiery storm of lightning.

Perona lay on the ground, charred but not dead—just unconscious.

Zoro walked over, picking up a knife from the ground. It was Ryoma's sword, which Zoro had noticed during the fight.

Examining the blade closely, Zoro saw that it was a high-quality sword. He turned to Usopp and asked, "Usopp, do you have that sword manual I left with you?"

"Oh, yes!" Usopp rummaged through his bag and handed Zoro a pamphlet.

Zoro opened it and quickly found what he was looking for. A smile spread across his face.

"Found it!"

The knife depicted on the page matched the one he held.

"Twenty-One Great Swords: The Famous Sword Shusui!"

A satisfied grin appeared on Zoro's face. He hadn't expected to find such a valuable item during the battle.

With this, he had four swords—three for use and one as a backup. Perfect!

Suddenly, a violent tremor came from the castle ahead, grabbing everyone's attention.

Moments later, they watched in shock as a huge red fist burst through a section of the castle wall.

Then, an enormous red humanoid figure emerged before them.

"What is that?!!!" The crew shouted in shock.

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Power Stones would be appreciated if you liked the story.