One Piece

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

Air date: Aug 16, 2009

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.