Aranea has been described by her English voice actress, Kari Wahlgren, as "edgy" and "street smart",[4] though her loyalty at first remains ambiguous. Though she holds the rank of commodore, she prefers people speak to her in a casual manner. She disagrees with immoral practices, such as the empire using daemons in their war efforts. Owing to her military background, she, in at least the English localization, speaks in a blunt manner.

As a free-spirited woman, she encourages Prince Noctis to no