Amulet Dia

Character Transformations
Amulet Diamond:

Amu becomes "Amulet Dia" when she Character Transforms with shining idol Dia.

Amulet Dia represents the desire to be radiant and adored, and also to face her problems with a smile. She rarely takes this form unless on special occasions in which this form is required, as this form is considered to be the most powerful out of all four Character Transformations.

In this form, Amu wears a pair of ponytails and a futuristic headphone with a pair of double diamonds attached it. Her outfit is a futuristic yellow idol skirt. A yellow ribbon is attached to the back of her neck with straps that go down to her waist. She wears yellow boots that come up to her inner thighs. The Humpty Lock glitters with yellow light.

Amu first becomes Amulet Dia in Episode 43 of the anime and Chapter 26 of the manga.

Her name is often confused with "Amulet Diamond".


  • Amulet Dia's Globe
As a character with an intense shine, Amulet Dia's powers are mostly associated with stars and light. Due to Dia's power, this Character Transformation is used in case of absolute emergency.

She can use a small globe to harness a starry attack called "Starlight Navigation". In Chapter 38 of the manga, she uses two new attacks: "Twinkle Shield" and "Shooting Star Shower". In season three, Amu utilizes a new attack in this form called "Twinkle Hold", which has the power to capture (and supposedly cleanse) X-Eggs in a form of a sparkling sphere; and later uses "Open Heart" with Pure Feeling to purify them.

This form gives her flying abilities.

In Chapter 45, she uses her powers to open a Road of Stars that allows her to travel through time and space.