What is the name of One Piece background music in episode 296 during the scene Zoro decides to use Usopp as a sword? What is the music playing as Zoro decides to use Usopp as a sword while they are in Enies Lobby to get Robin back? It's in episode 296 and the music starts at about 22 minutes and 48 seconds.
Zoro decides to use Usopp as sword in episode 289: if you are referring to this moment the music is called Luffy's Fierce Attack!.