One Piece Episode 747 -

: The mine is controlled by Bill , the leader of the Silver Pirate Alliance. Bill possesses the Gutu Gutu no Mi (Smelt-Smelt Fruit), which allows him to turn his body into a blast furnace and forge various silver weapons. Why This Episode Is Interesting

: While the Straw Hats are sailing toward Zou on Bartolomeo's ship, the Going Luffy-senpai , they are ambushed by a mysterious group of female pirates. Luffy and Bartolomeo are kidnapped and taken to the "Silver Mine," a fortress on a massive silver island. One Piece Episode 747

: The Silver Mine Arc introduces characters and themes that lead directly into the events of Film: Gold , specifically introducing the influence of the "Gild Tesoro" organization. : The mine is controlled by Bill ,

One Piece , titled "The Silver Fortress! Luffy and Barto's Great Adventure!" , marks the beginning of the Silver Mine Arc . This short filler story acts as a direct tie-in to the feature film One Piece Film: Gold . Key Plot Points Luffy and Bartolomeo are kidnapped and taken to

: The episode focuses heavily on the dynamic between Luffy and his biggest "fanboy," Bartolomeo. Seeing them forced to work together without their usual powers provides a comedic break from the high stakes of the previous Dressrosa Arc.

While many fans consider this arc "skippable" because it is filler, it is often recommended for those planning to watch the Gold movie or those who enjoy Bartolomeo's over-the-top reactions to his idol, Luffy.

: In a rare moment of vulnerability, Luffy is trapped inside a giant, heavy metal ball that restricts his movement, while Bartolomeo is glued to a pickaxe, preventing him from crossing his fingers to use his Barrier-Barrier powers.