is one piece episode 480 filler?

As Luffy continues running up the pathway created by Inazuma, with his Choki Choki no Mi powers, Helmeppo is crying over Koby, who apparently passed out after being punched by Luffy. The marines then attempt to shoot at Luffy, but Boa Hancock intervenes and stops them with her Slave Arrow move.

Garp, Luffy's grandfather, continues shouting that Luffy must kill him in order to pass.