All-Star Battle R/Ermes Costello

""Revenge" is for settling a score with your own fate! (「復讐」とは自分の運命への決着をつけるためにあるツ！)"

Ermes Costello (エルメェス・コステロ) was confirmed for during the game's initial announcement trailer. She was one of the four characters playable in the game's second Early Access Demo alongside, , and.

Her moveset is fundamentally the same as hers from, with a few tweaks being made to both balance the character and fit her into the overall gameplay tweaks that All-Star Battle R brought.

In the English localization of All-Star Battle R, Ermes's Stand, Kiss, is localized as "Smack", carried on from its first official usage in.

Replacing Ermes's previous voice actor of Chizu Yonemoto is Mutsumi Tamura, who voices Ermes in the Stone Ocean anime. Because of this, and like the majority of the game's roster, voicelines for Ermes were either added or re-recorded.

Gameplay
Ermes has 1050 health, making her the highest health character in the game. She uses the Stand (スタンド) Battle Style, fighting foes with Kiss. During a fight, she can use several different attacks that were featured in Stone Ocean.

Dialogue
Outside of, Ermes has unique interaction dialogue for both her match entrances and victories when facing certain characters.

All-Star Battle Mode
All missions in starring Ermes as either the Player or Enemy, in order of appearance.

Music
Ermes's theme is Kiss of Love and Revenge (愛と復讐のキッス), and can be unlocked in-game by buying it from the Gallery Shop for  1000 G.

Its name is taken from the title of the arc where Ermes's backstory is revealed and she manages to get her revenge for her sister, Kiss of Love and Revenge.

1.4.0

 * Wake-up
 * Unified wake-up behavior with other characters.

2.0.0

 * Crouching Medium Attack [Stand Off]
 * Reduced pushback on hit.
 * "It's quite useful..." skill
 * Sped up startup.
 * Reduced recovery time.
 * Standardized the voice clip used to make it less an obvious when a feint is used. It now uses the variant's voice clip for all versions.

2.1.0

 * Assault Assist
 * Changed to use the Stand Mode version of "It's quite useful..." instead of the User Mode version.