One Piece Chapter 16, page 1: VERSUS BUGGY'S CREW!

A massive crash echoes through the street as Mohji and Richie are pile-driven into the ground. Nami is completely astonished by Luffy's bizarre strength, exclaiming, 'Wow. I thought there was something strange about you... I mean, you did pile-drive a lion! What kind of human being could do that?!' Luffy, meanwhile, wonders how Zoro can inflate himself like a balloon.