What chapters does Fire Force Season 3 Part 2 (final) cover?

Fire Force Season 3 Part 2 (final) (Episodes 1-12) covers manga chapters 217-304, which are found in volumes 25-34.

Where should I start reading after Fire Force Season 3 Part 2 (final)?

After Season 3 Part 2 (final), the anime has adapted the full manga — there is no continuation left to read.

Fire Force

Episodes 1-12 • Chapters 217-304

Episodes

1-12

Chapters

217-304

Volumes

25-34

Filler Episodes

After Season 3 Part 2 (final), the anime has adapted the full manga — the story is complete, with nothing left to continue.

Season 3 Part 1