Luffy defeats Captain Kuro using his Gomu Gomu no Kane (Rubber-Rubber Bell), a powerful headbutt that destroys Kuro's glasses and knocks him unconscious.
Sonny Strait’s performance as Usopp is often cited as a standout, successfully balancing the character's goofy lying with the "gut-punch" emotional moments of his departure. One Piece (Dub) Episode 17
Most reviews characterize this episode as a that balances action with "touching narrative". Pacing Luffy defeats Captain Kuro using his Gomu Gomu
Watch how the Straw Hats finalize their victory and welcome a new member in these episode reactions: One Piece (Dub) Episode 17