Another major character who emerges during the Arabasta chapters is Ace, one of Luffy's adoptive brothers. Portgas D. Ace and Monkey D. Luffy grew up together as children, but as the older of the ...

u/oliverbrownwrote titles his One Piece fanart post as “Bond Of Three Brothers,” with the artwork depicting Ace, Sabo, and Luffy traveling to various locations in the series’ world.