Octavia is a supporting character in Tears to Tiara, a fantasy anime and game series set in a world inspired by Celtic and Roman mythology. She is a member of the demon race and serves as one of the notable allies encountered by the protagonists during their journey. Octavia is portrayed as calm, capable, and loyal, contributing to the story through her presence in the wider conflict between humans, the Empire, and ancient powers. Her role helps enrich the series’ ensemble cast and its larger mythic atmosphere.