Hawk-Eye

Oak's slight move stunned everyone present.

Sure enough...

Zeff looked at his imposing back, his expression complicated.

A monster was a monster. Whether decades ago or decades later, every move Oak made was equally despair-inducing!

Zeff closed his eyes. Decades ago, he had accidentally witnessed Oak make a move, and it had directly shattered his captain's dream of reaching the Grand Line, frightening him so badly that he had not dared set foot in those waters for thirty years. Today, decades later, seeing Oak make a move once more, that terror surged back into his heart. The gap was so vast that it was despairing.

"So strong!"

On the Going Merry, Luffy watched the scene from moments ago, lying over the bow and staring ahead. Under the effects of the Gum-Gum Fruit, his mouth stretched wider than his entire body.

Unlike everyone else's fear, his reaction was shock mixed with excitement. He was thrilled to witness such power, because it gave him a goal to strive toward.

Looks like I need to work even harder!

He encouraged himself, while beside him, Usopp's legs had gone so weak that he could not even stand. He could only lie on the deck, trembling.

Zoro was equally stunned, but amateurs watched the spectacle while experts saw the intricacies. He understood better than anyone how difficult that sword strike had been.

"That was... a Flying Slash?!"

He frowned uncertainly, then quickly shook his head in denial.

"No, it wasn't a Flying Slash. It was more like some kind of special power. Is he a Devil Fruit user like Luffy?"

Zoro looked at Oak, especially the Seven Star Sword in his hand. Not knowing that the power Oak used belonged solely to the Seven Star Sword, he guessed that Oak was some sort of Devil