One Pace — Thriller Bark 4

One Pace Thriller Bark episode 4 ("General Zombie Night! Thriller Bark's Mysterious Four") covers manga chapters 449–450.

General Zombie Night! Thriller Bark's Mysterious Four

One Pace

Thriller Bark 4General Zombie Night! Thriller Bark's Mysterious Four

Manga chapters

Chapter 449
Chapter 450

Source anime episodes

Episode 342
Episode 343
Episode 344

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 449–450 re-cut from anime episodes 342–344.