One Piece Chapter 38, page 15: PIRATE FLEET

Kuro is sent flying backward by Luffy's punch. The pirates are amazed, shouting, "THAT KID... HE SAW THROUGH THE CAPTAIN'S 'SILENT STEP'!!" Kuro slowly gets back up, wiping blood from his mouth, and growls, "YOU'VE INSULTED ME...!!! YOU WANT TO KNOW WHAT A TRUE PIRATE IS SUPPOSED TO BE? THEN LET ME SHOW YOU... TOGETHER WITH THE TERROR OF A REAL PIRATE!!!"