One Piece: Kaido's adopted son, starts with the Eight Gates Formation.

The two engaged in an intense hand-to-hand combat in mid-air, each collision producing a thunderous roar.

On the ground, everyone else was watching.

Kenpachi Zaraki was itching to get involved, but he knew it was beyond his reach.

Akainu clenched his fist, and magma surged in his palm.

Hawkeye Mihawk stood quietly, his sharp eyes capturing every detail.

"That man in the white shirt... he's studying," Hawkeye suddenly said.

The redhead glanced at him: "You noticed too?"

"Hmm." Hawkeye's tone was grave. "He's learning Kaido's attack patterns in battle. Although he can't see the future, he's making up for it with experience and instinct. Keep fighting—"

"He'll get stronger and stronger," the redhead finished.

This is what makes Yhwach so terrifying.

Omniscience and omnipotence are only one of his strongest abilities, not his only one. Even if his omniscience and omnipotence are sealed, he is still the strongest being who ruled the Quincy for thousands of years, defeated Yamamoto Genryusai, and absorbed the Soul King fragments.

His fighting talent, his adaptability, his willpower—every aspect is top-notch.

The aerial battle lasted for three minutes.

Kaido's attacks gradually became less effective. Yhwach began to be able to predict his attack routes—not through omniscience, but through pure combat intuition.

"Your attack pattern is too simplistic," Yhwach said calmly after dodging a dragon tail sweep. "Immense strength, but lacking variation. You habitually strike with your right hand first, habitually follow up with your dragon tail on the third strike, and habitually headbutt after being blocked—"

"Shut up!" Kaido roared, unleashing a burst of hot breath.

Yhwach dodged to the side, and a burst of heat flew past him, melting half of a distant mountain peak.

"—You're used to using Heat Breath to create distance when you're being suppressed in close combat," Yhwach continued, finishing his previous statement.

Kaido's expression darkened.

It wasn't because Yhwach read his attack pattern—it was because everything he said was correct.

Kaido is a born warrior; his fighting style is simple and brutal, relying solely on his superior physical attributes and strength. In the world of One Piece, that's enough. Because no one can rival him in pure strength.

But Yhwach was different.

While Yhwach is not as strong as Kaido, the difference isn't significant. Furthermore, Yhwach's combat skills and adaptability far surpass Kaido's.

Dragging this out will be disadvantageous for Kaido.

Kaido also realized this.

He's not stupid. He just doesn't like to use his brain.

But now, he has no choice but to act.

He remembered what Lynn had said to him in the world of One Piece. He remembered the training in the Hyperbolic Time Chamber. He remembered those seemingly useless "training" exercises that made him chant spells and assume strange poses.

I also remembered the last thing Lynn said to him—

"Dad, your greatest strength isn't power. It's your Conqueror's Haki. You just don't know how to use it yet."

Kaido took a deep breath.

He stopped attacking.

Yhwach took a step back warily, wondering what the other party was up to.

"You're right." Kaido's voice suddenly became very calm, completely different from his usual arrogance. "My fighting style is too simple. But do you know why I've always used this simple fighting style?"

Why?

"Because it didn't need to be complicated before." Kaido clenched his fist, and an aura completely different from before began to emanate from his body—not the red of the Kaioken, not the blood color of the Eight Gates, not spiritual pressure, not ki.

Rather, it is pure, unadorned—will.

Conqueror's Haki began to surge from his body, but instead of spreading outwards as violently as before, it converged and compressed inwards to the extreme.

Kaido's fist began to turn black—not from Armament Haki hardening, but from Conqueror's Haki covering it.

The pitch-black color, like an untouchable absolute domain, enveloped his fists.

The redhead saw this from below and his eyes lit up.