Secret of Powerful Swordplay! Ability to Cut Steel and the Rhythm Things Have! - S4.E119

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 cannot cut. As Zoro nears death, he must discover the secret to "the breath of all things".