One Piece Episode 61 -

After leaving Warship Island, the Straw Hat crew is confronted by Eric the Whirlwind, who attempts to steal the "Dragonite" (fossilized dragon bones) from the Sennenryu.

Concludes the anime-only Warship Island story, including the final defeat of the antagonist Eric. One Piece Episode 61

Luffy takes on the fight personally, fulfilling a promise to the dragon Ryu. He eventually defeats Eric by knocking him off the ship as they approach the Grand Line. After leaving Warship Island, the Straw Hat crew