The Ace Tattoo in One Piece is an iconic symbol for Luffy and the Strawhat Pirates. It is a symbol of the bond between Luffy, Ace and Sabo and serves as a reminder of their brotherly love. Ace is a character in One Piece who is as close to Luffy as a brother and was also a member of the Revolutionary Army. The Ace Tattoo is a symbol of his loyalty and unbreakable spirit, and is a reminder of Luffy’s promise to Ace to become the Pirate King. The tattoo is a representation of loyalty, brotherhood and power and motivates Luffy to never give up on his ultimate goal of becoming the Pirate King.