One Piece Chapter 39, page 16: FOR WHOM THE BELL TOLLS

Luffy glares at the cheering pirates and yells, "I DON'T NEED YOUR CHEERS! I'M GONNA BEAT YOU ALL UP TOO, SO BE READY!" The pirates scream in terror ("GYAAAA-AAAHH!!!"). Kuro, sweating profusely, stares at Luffy in disbelief, thinking, "How can it be... My plan... MY PLAN... CANNOT FAIL!!" Luffy prepares his final strike, chanting, "GOMU GOMU..."