The rumors say that it's due to her that the charisma of the Eight Astral Dragons has fallen to darkness. She doesn't seem like a bad girl... Hm? She's carrying a forbidden spellbook in her arms! —A memo from Negotiator Mix—
Bethor is one of the seven Olympian spirits that appear in Renaissance/post-Renaissance books of ritual and ceremonial magic. All seven spirits are in Battle Spirits, and are denoted as such by "Olimpics" in their name.