Devna was a female Orion who, sometime before the mid-23rd century, became trapped in the interdimensional rift known as Elysia. She became a member of the ruling Elysian Council, and served as their interpreter of laws. (TAS episode & novelization: The Time Trap) Devna again acted as the Council's representative when the USS da Vinci visited Elysia in 2376. (SCE eBook: Where Time Stands Still)

Despite her young appearance, Devna was in fact centuries old, due to Elysia's temporal distortion. She longed to see her homeworld of Orion again, though she had come to accept her life in Elysia. Devna was an accomplished dancer, with a classically primal Orion style, at odds with her normally calm and formal demeanor. (TAS episode & novelization: The Time Trap)