One Piece: Pirate Warriors 4 is about to turn five years ... Really, though, we've already got Gear 5 Luffy, so it doesn't matter to me one bit. "You don't need artificial intelligence to steal ...

This article contains spoilers from One ... when he goes into Gear 4. While all these powers are certainly impressive, Luffy's greatest power and One Piece is, by far, Gear 5.