One Piece: Season 13, Episode 521

13 - 521: The Battle is on! Show Them What You Got From Training!

Things get pretty hectic as the Navy finally confronts Fake Luffy's amassed pirate army - and the real Straw Hats prepare to set sail! Things don't go smoothly for either, however, and the real Luffy gets to show off what he has learned in the past two years!