Back
Official cover art of Chapter 87: An Oath Made in the Underground
Cover art © Hiromu Arakawa / Square Enix. Not an original work of Daddy Jim Headquarters. Displayed for editorial commentary and review purposes.

Chapter 87: An Oath Made in the Underground

Manga ChapterCh. 87

An Oath Made in the Underground is the eighty-seventh chapter of the Fullmetal Alchemist manga, part of the Promised Day Arc and the twenty-first volume. It first appeared in Japan on September 12, 2008.

Volume: 21
Story Arc: Promised Day Arc
Usa Release: November 17, 2009
Japan Release: September 12, 2008
Japanese Title: 地下道の誓い
Text Size

Summary

Numbered eighty-seven in the series, this chapter belongs to the Promised Day Arc and is collected in the twenty-first volume. It continues from the previous chapter, Servant of Darkness, and leads into the next, The Understanding Between Father and Son.

Text Size

Key Events

The installment keeps the Promised Day storyline in motion, occupying the slot between chapters eighty-six and eighty-eight. Its title points to a vow sworn beneath the surface as the endgame closes in.

Text Size

Notes

The Japanese title is Chikado no Chikai. This is chapter eighty-seven of the run and part of volume twenty-one. It was published in Japan on September 12, 2008, and in English on November 17, 2009.

Share this resource

Frequently Asked Questions

What is Fullmetal Alchemist Chapter 87 titled, and what arc does it belong to?

Chapter 87 is titled An Oath Made in the Underground and is part of the Promised Day Arc, collected in volume 21 of the manga.

What is the Japanese title of Chapter 87?

An Oath Made in the Underground is known in Japanese as Chikado no Chikai.

What does the title of Chapter 87 suggest about its events?

The title An Oath Made in the Underground points to a vow sworn beneath the surface as the series' endgame draws closer.

When was Chapter 87 released?

An Oath Made in the Underground was published in Japan on September 12, 2008, with the English edition following on November 17, 2009.

Which chapters come before and after An Oath Made in the Underground?

Chapter 87 follows Chapter 86, Servant of Darkness, and leads into Chapter 88, The Understanding Between Father and Son.

Sources & Information

Looking for more on Chapter 87: An Oath Made in the Underground? The Dragon Ball Wiki on Fandom has a dedicated page with community notes.

View on Fandom

This content is original writing by Daddy Jim Headquarters based on the Dragon Ball anime series, manga, and official materials. Episode and chapter references are cited where applicable.

Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:

  • Movie pages: theatrical posters and key visuals, credited to Toei Animation and Shueisha.
  • Game pages: official box art, credited to Bandai Namco, Atari, and other publishers.
  • Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Akira Toriyama.

Help Us Keep This Wiki Accurate

Daddy Jim Headquarters maintains this encyclopedia. If you spot an error, a translation issue, or something that doesn't look right, let us know.