Episode 434 - Luffy's Steamy Final Vow! The Climactic Close of the Pirate King's Erotic Voyage

Episode 434
Luffy’s Last Promise! The End of the Pirate King’s Journey
Japanese: ルフィの最後の約束！海賊王の旅の終わり
Rufi no Saigo no Yakusoku! Kaizoku-Ō no Tabi no Owari

Luffy defeats the captain of the new pirate crew, but the crew soon learns that the rival pirates were only part of a larger threat. A powerful group is gathering in the shadows, and the Straw Hat Pirates must prepare for an even greater challenge. The episode introduces this new enemy faction, known for its strategic planning and overwhelming strength.