Nena

Nena is a minor antagonist appearing in Part III: Stardust Crusaders.

Synopsis
Nena is initially portrayed as an ally and lover of Hol Horse, and enemy of the protagonists, but not a true enemy herself. She eventually comes to the rescue of Hol Horse, allowing him to escape from Jotaro's team. Jean Pierre Polnareff becomes attracted to her while she hides her actual identity as a Stand User, and attacks Joseph Joestar with her stand.

After Joseph is able to deal the finishing blow to The Empress, Nena takes the damage and is revealed to have been an ugly woman using the body of a beautiful Indian girl as a disguise. It is unknown if she survived the attack after The Empress was destroyed.

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Trivia

 * She and Hol Horse were shown to be lovers, just like the tarot cards they represent (The Empress and The Emperor).
 * It's unknown if Hol Horse knew her true appearance