Episode 646 serves as a critical expositional chapter for the Dressrosa Arc. It primarily follows two storylines: the conclusion of the Battle Royale in Block C of the Corrida Colosseum and Robin and Usopp’s encounter with the mysterious inhabitants of Green Bit.
The legacy of Mont Blanc Noland (previously seen in the Skypiea Arc) resurfaces here. It demonstrates how stories—even those dismissed as "lies" in the outside world—hold deep religious and historical significance for isolated cultures like the Tontatta. OnePiece_Ep_646_ITA.mp4
Facing interrogation, Usopp exploits the dwarves' innocence by claiming he is a descendant of the legendary hero Mont Blanc Noland. This lie leads the dwarves to hail him as "Usoland," their new savior. 3. Character Analysis Episode 646 serves as a critical expositional chapter