Joy Boy's powerful Haki was showcased, surpassing all others in the story so far, leaving only a few who can rival it. Luffy, Whitebeard, Roger, and Shanks all possess advanced Haki abilities ...

When he continued to train with Whitebeard, Ace's strength over both his Devil Fruit abilities as well as his Haki improved dramatically. He became one of the strongest fighters, and it can be ...

Roger possessed such a powerful Conqueror's Haki that it unleashed itself in a climactic clash against Whitebeard in Grand Line. Roger conducted the power of this hawkish Haki through his sword ...

Zoro has had tremendous growth in One Piece since the Wano arc and he might be able to take down Blackbeard in an individual battle.