Elena Fiori is a mysterious young girl who appeared in Fullmetal Alchemist: Prince of the Dawn and Fullmetal Alchemist: Daughter of the Dusk. She befriends Alphonse Elric, and has a crush on him; it is also revealed she is Claudio Rico's younger sister. She attempts to stop her brother and Petr Hildebrand's planned terrorist attack on Central; Claudio tricks her, using her soul, but realizes his mistake. She is saved by Alphonse. She also appeared in bonus chapters of manga. Elena has a mysterious tattoo on her chest.