One Piece's Strongest Villain

Three Days Later – North Sea

After leaving the Eggsy Sea, Leon and Uchiha Madara sailed onward. For three days, they traversed the waters of the North Sea, steadily approaching its edge near the Red Line.

The journey was not without its challenges. Dangerous waters and treacherous currents lay in their path, but the ship—crafted from Madara's Wood Release Ninjutsu—was a marvel of strength and resilience. It weathered every obstacle with ease, making their voyage smooth and uneventful.

"At this pace, we'll reach the estuary soon," Leon said, taking a sip of red wine from a glass he had retrieved from the ship's cabinet. He seemed relaxed, but there was a glint of calculation in his eyes.

Setting the glass down, he leaned against the table and gestured to two bounty posters lying nearby.

"As expected, the news of Ghost Spider's death has caused quite a stir. We're officially thorns in the Navy's side."

On the left bounty poster was Leon, clad in white and standing at the edge of a port. His confident smile was framed by swirling thorned trees—a clear demonstration of his Devil Fruit ability.

Bounty: 300 million berries.

The poster on the right depicted Uchiha Madara, a crimson-clad figure whose Mangekyō Sharingan burned brightly in the illustration. His long black hair flowed like a storm, and his commanding aura seemed to leap off the page.

Bounty: 500 million berries.

The Den Den Mushi on the destroyed battlefield had captured everything—the overwhelming power Madara unleashed, from effortlessly defeating Simmons to annihilating Ghost Spider. Those who viewed the recording were left in stunned silence. Madara's display of strength, the likes of which had never been seen before, left even the highest-ranking officers in the Navy headquarters shaken.

"Five hundred million berries," Leon mused, looking at the number under Madara's name. "An astronomical bounty for a first-time wanted poster."

Madara, however, remained unfazed. He glanced at his poster briefly before crumpling it in his hand and tossing it into the sea.

"The Navy's numbers mean nothing," he said coldly, his tone as indifferent as ever.

Leon chuckled at his partner's reaction. "Not even a little bit of excitement? This is your first bounty, after all. It's an important villain milestone!"

Madara's glare silenced him.

"All of this," Madara said with disdain, "is meaningless."

Leon shook his head and laughed to himself. "As expected of Uchiha Madara. Even the Navy is just another trivial matter to you."

Shifting his focus, Leon picked up his own bounty poster and studied it with satisfaction. "A bounty of 300 million… that should do the trick." He called up the system interface in his mind.

The conditions for summoning another villain were clear: he needed sufficient energy resources and an accumulation of villain reputation points.

"Congratulations, host. You've reached a bounty of over 100 million berries. One summoning condition has been fulfilled."

The system's voice rang in his head, and Leon's eyes sparkled with anticipation. "So, we're nearly there. Just three more Devil Fruits, and I can summon him."

His thoughts drifted to Aizen Sosuke, the perfect candidate to join their growing villainous team. With Uchiha Madara already possessing power capable of subjugating entire armies, the addition of Aizen, with his unmatched intellect and charisma, would make them unstoppable.

At Last, the Red Line – Upside-Down Mountain

After days of travel, the towering Red Line finally came into view. Leon stood at the bow of the ship, his face filled with awe as he gazed upon the breathtaking sight.

The Red Line, a vast ring-shaped continent covered in red soil, stretched endlessly toward the heavens. It seemed to defy reality, its sheer scale making even the endless sea around it feel insignificant.

"Magnificent," Leon murmured.

In front of them loomed the legendary Upside-Down Mountain, where the seas from all four Blues converged and defied gravity, flowing upward to the peak. The powerful reverse currents were infamous among sailors, having claimed countless ships that failed to navigate its unique challenges.

Leon's expression remained calm. "Ban, prepare yourself. This is where things get interesting."

The sails caught the wind as Leon adjusted the mast, guiding the three-masted ship toward the roaring currents. His mastery of Wood Release ensured the vessel remained perfectly stable, even as they began ascending the torrent.

The reverse currents surged beneath them, pushing the ship upward with incredible force. The towering walls of red rock blurred past as the ship climbed higher and higher.

Finally, after a tense journey, they reached the summit.

At the top, Leon's breath caught.

Before him lay a sight unlike any other—a point where all the seas converged, only to cascade downward in a singular, majestic current. Beyond that descending flow lay the fabled Grand Line, a world of endless mysteries, untold dangers, and unimaginable treasures.

"So, that's the Grand Line," Leon said, his voice tinged with wonder.

Madara joined him at the bow, his crimson eyes scanning the vast ocean below. Even he, who rarely expressed awe, seemed intrigued.

"A bizarre world indeed," Madara murmured. "Even the natural laws here seem… warped."

Leon smiled at his partner's rare moment of reflection. "Madara," he said, "your arrival in the Grand Line will change everything. I can already see the chaos you'll bring."

Madara didn't respond. Instead, he simply stood there, gazing out at the horizon with a look of quiet determination.

The ship began its descent, riding the powerful current that would carry them into the Grand Line.

Whatever awaited them below, one thing was certain: the Grand Line had no idea what kind of storm was about to hit it.

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