One Piece

Secret Of Powerful Swordplay! Ability To Cut Steel And The Rhythm Things Have! (7x28)

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While Miss. Doublefinger's fight with Nami was challenging, Zoro is having an even more difficult time fighting Mr.1: A man who can change his entire body into steel - something that Zoro can't cut. As Zoro nears death, he must discover the secret to "the breath of all things".