Strongest Haki users in One Piece revealed during Egghead arc Key players ... and later on, Luffy. The swordsman of the Straw Hat Pirates, Zoro primarily relies on Haki in battle.

Unfortunately for him, he was only able to have a long and arduous fight against the Straw Hats swordsman, Roronoa Zoro, instead of Luffy in the Egghead arc. Lucci failed the government at Enies ...