Earth Wind and Fire

Earth Wind and Fire (アース・ウインド・アンド・ファイヤー) is the name of Mikitaka Hazekura's power, featured in Diamond is Unbreakable. It is currently unknown if Earth Wind and Fire is a Stand or an alien ability due to the mysterious origins surrounding its user Mikitaka.

Appearance
Like all abilities directly conferring supernatural powers to their users, Earth Wind and Fire doesn't actually possess a physical form: instead, it is bound to its user's body.

When activated, Earth Wind and Fire causes Mikitaka’s body to contort into goo-like strips which take on the form whatever Mikitaka intends to turn into

Abilities
Mikitaka's Earth Wind and Fire is a harmless shapeshifting power whose usefulness is mitigated by Mikitaka's eccentricity.

As a result of Mikitaka's self-proclaimed alien identity, there is speculation regarding the true nature of Earth Wind and Fire and its origin. Due to the circumstances surrounding Mikitaka and the author's own purposeful ambiguity, it is currently unknown if it is an alien ability or a Stand.

Shapeshifting


Earth Wind and Fire allows Mikitaka to transform into any object he can imagine.

When transforming, Mikitaka decomposes himself into a cluster of strips of an unidentified goo-like substance before recomposing himself into one or several objects of his choosing, replicating their appearance, weight, and texture. In addition to being able to transform back into himself at will, he can also partially undo the transformation at will.

When transformed into an object, he also takes on the properties of the object. Thus morphing a hand into an ice cream cone will make it cold or morphing himself into binoculars enables him to also observe things from afar.

Although he can theoretically perfectly replicate objects, Earth Wind and Fire is subjected to several limitations:
 * It cannot reproduce complex items, like machines, or something that requires more strength than the users own to operate, like construction equipment or firearms.
 * Mikitaka considers all humans to look the same and cannot be subtle enough to copy someone's appearance.
 * It requires the user to have a precise idea of what he's transforming into, lest his replication end up largely inaccurate (ex. a die with inconsistent pips).
 * The user is still subject to their own bodily weaknesses, no matter what form they take: being thrown and rolled around as dice makes them sick and will cause them to throw up, ruining the masquerade.
 * The user requires some amount of concentration to operate; if he panics, he loses control over his power and the shapeshifting becomes random, eventually forcing the user back into human(oid) form.

More importantly, Mikitaka's own ignorance about Earth and human society signifies that he has no idea how he is supposed to act, and when transformed can easily act suspicious.

Earth Wind and Fire seems able to combine its strength with those of other people: when Mikitaka turned into sneakers for Josuke to wear, he notes that their strength combined is what made them able to move so fast.

Gallery
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Trivia

 * Hirohiko Araki mistakenly used the name "Earth Wind and Fire" again in Stone Ocean for the name of Viviano Westwood's Stand when the chapter was published in Weekly Shōnen Jump (the name was written slightly different in Japanese). For the tankōbon release, this Stand was renamed "Planet Waves".
 * Despite having what is potentially a Stand, Mikitaka cannot see others' Stands.