Fiora and her subordinates are sent on a mission to investigate the Dread Isle under orders from their current employer, Lord Pent of Etruria's House Reglay. There, her entire army is slaughtered by the Black Fang, leaving her as the sole survivor. Believing it to be her duty, she embarks on a suicide mission to avenge her fallen comrades. However, if Florina speaks to her, she will snap out of her overwhelming guilt and ask to join Eliwood's army.
Fiora can be a potential mother of Roy, the son of Eliwood and the protagonist of Fire Emblem: The Binding Blade. This will happen if she achieves an A support with Eliwood. She is also able to marry Kent or Sain if she achieves an A support with either of them.