Reah is a shy and reserved individual, often getting lost in thought as her mind wanders through verses and melodies. Despite her introspective nature, she possesses a strong sense of determination, particularly when it comes to recovering her beloved harmonica. Reah is also deeply compassionate, showing kindness towards Adol during their initial encounters. As her true identity unfolds, Reah reveals herself to be wise, powerful, and fiercely dedicated to her people.