The twin sister of Euden, and one of the few maidens of the Church. Quick to cry as a child, she became more stoic after the passing of her mother. She's now a strong-willed young woman who cherishes her older brother. She is later captured and then, through absorbing dark mana, is turned into a darker version of herself known as The Empress, or as Euden and his allies refer to as "Other Zethia" or simply "Other". She plays an antagonist role as the Empress but as a supporting role when she is still her pure form.

Her voice should be kind and sisterly when in her pure form but commanding and sadistic in her Empress form. She is of nobility so she should have clear enunciation in her words