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Neptune Crystal

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The Neptune Crystal is Michiru Kaio's Sailor Crystal, the gem that fuels her rise into her stronger guardian forms. It surfaces in the manga and in the film Sailor Moon Eternal, having come to her as a gift from Hotaru Tomoe.

Used For: Transforming into Super Sailor Neptune
Given By: Hotaru Tomoe
First Manga Appearance: Act 44 Dream 6 - New Guardians Dream
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Overview

As the Sailor Crystal tied to Michiru Kaio, this jewel represents the core of her power as Sailor Neptune. It belongs to the set of crystals the outer guardians receive, and it appears within the manga continuity as well as the Eternal movie.

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Function

Michiru draws on the crystal to reach both Super Sailor Neptune and Eternal Sailor Neptune, invoking the phrase Neptune Crystal Power, Make Up to complete either upgrade. The gem is what carries her beyond her base guardian form into these heightened states.

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Notable Users

Michiru Kaio is the crystal's owner and only wielder. She comes into possession of it through Hotaru Tomoe, who hands the gem to her.

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Frequently Asked Questions

What is the Neptune Crystal?

The Neptune Crystal is Michiru Kaio's Sailor Crystal, the gem that fuels her rise into her stronger guardian forms.

How does Michiru Kaio use the Neptune Crystal?

Michiru invokes the phrase Neptune Crystal Power, Make Up while holding the crystal to complete her upgrade into Super Sailor Neptune or Eternal Sailor Neptune.

Where did Michiru get the Neptune Crystal?

Michiru comes into possession of the Neptune Crystal through Hotaru Tomoe, who hands the gem to her.

In which Sailor Moon media does the Neptune Crystal appear?

The Neptune Crystal appears within the manga continuity as well as in the film Sailor Moon Eternal.

Who else can use the Neptune Crystal besides Michiru Kaio?

No one; Michiru Kaio is the crystal's owner and only wielder.

Sources & Information

Looking for more on Neptune Crystal? The Sailor Moon Wiki on Fandom has a dedicated page with community notes.

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This content is original writing by Daddy Jim Headquarters based on the Sailor Moon anime series, manga, and official materials. Sailor Moon was created by Naoko Takeuchi, published by Kodansha, and animated by Toei Animation. All rights to Sailor Moon and its characters belong to their respective owners. Episode and chapter references are cited where applicable.

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All rights belong to their respective owners.

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 Kodansha.
  • Game pages: official box art, credited to the game's respective publishers.
  • Manga chapter pages: volume covers, credited to Kodansha and Naoko Takeuchi.

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