One Piece

Luffy's Hard Trial! The Power of the Snake Sisters' Willpower! (13x32)

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When Luffy beats Bacura, the panther executioner, Luffy goes to fight Boa Marigold and Boa Sandersonia. Boa Sandersonia plays the statue of Margueritte to cause Luffy pain. Luffy then unleashes a very rare and strong haki which surprises everyone and the haki Hancock also has.