One Piece Episode 439
Episode 439 adapts chapters 537–538.
Luffy's Treatment Begins - Iva's Miraculous Power<nowiki>!!</nowiki> · Impel Down arc
Anime
- Episode 439Luffy's Treatment Begins - Iva's Miraculous Power<nowiki>!!</nowiki>
Manga chapters
One Pace
- A Ray of HopeCovers chapters 537–538
The details
Episode 439 adapts chapters 537–538. Adapting several chapters into one episode is why the anime slowly gains on the manga in raw numbers even while falling further behind in story.