One Piece follows the adventures of Monkey D. Luffy as he follows his dreams to find the One Piece treasure and become Pirate King. To do so, he has to travel through the Grand Line and reach the mysterious Laugh Tale, facing foes and challenges along the way. With each new arc, a new setting and cast of characters is introduced, and this ever-expanding universe is one the series’ strongest selling points, celebrated by fans for its detail, size and variety.