One Piece — Episode 782: The Devil's Fist - A Show Down! Luffy vs. Grount

You are watching the episode The Devil's Fist - A Show Down! Luffy vs. Grount Making a mad dash for the Submerge with the food they stole, Luffy and the others have to get through some of the Navy's upstart soldiers! Grount, whose arm holds incredible power, summons his training to challenge Luffy.