One Piece Episode 507 English Dubbed Episode Title:Reunited with Dark King Rayleigh! Decision Time for Luffy!.Episode Description:On Maiden Island, Rayleigh kills a Sea King and arrives on the island in front of Law's crew. Meanwhile, at Amazon Lily, Hancock is contemplating about marriage when Jimbei and Luffy meet the Dark King, who tells that Law has left the island with his crew. Rayleigh gives back Luffy's straw hat and befriends the Snake Princess and her sisters. Rayleigh tells Hancock that Kuma he would send Luffy to Amazon Lily just before he teleported the Straw Hat crew away. However, Rayleigh cannot bring Luffy back to the Sabaody Archipelago, as he would suffer the same fate on the island. He gives Luffy an offer to be trained. Meanwhile, at the Bowin Islands, an overweight Usopp desperately tries to escape and fight despite Heracles' objections. Usopp gets sucked into the island's mouth and is rescued by Heracles. Usopp makes a vow to Heracles that he will not abandon Luffy.