One Pace — Impel Down 6

One Pace Impel Down episode 6 ("A Ray of Hope") covers manga chapters 537–538.

A Ray of Hope

One Pace

Impel Down 6A Ray of Hope

Manga chapters

Chapter 537
Chapter 538

Source anime episodes

Episode 438
Episode 439
Episode 440

What One Pace is

One Pace is a fan project that re-edits the Toei anime to match the manga's pacing. It cuts filler, recaps, and stretched scenes, so a single One Pace episode usually covers the same ground as several broadcast episodes — here, chapters 537–538 re-cut from anime episodes 438–440.