One Piece Episode 747 English Subbed Episode Title:The Silver Fortress! Luffy and Barto's Great Adventure!.Episode Description:The Straw Hat Pirates and their allies are shocked by the Barto Club's navigational incompetence while sailing through a hail storm in the New World. That night, Luffy and Bartolomeo are captured by Desire and the Sweet Pirates, who take them to the island of Silver Mine. On Silver Mine, the Silver Pirate Alliance led by Bill prepares to kill Luffy, who is trapped in a silver ball. However, Bartolomeo helps Luffy escape, and the two are chased by the Sweet Pirates, but fall into a chasm along with Desire. Bill hears about this and leaves it to Avelon, while he makes a donation of silver to a certain man.