Phenex is a demon that appears as a radiant phoenix that sings with a child's voice. He is a Great Marquis of Hell, who commands twenty legions.
Phenex is an excellent poet, who hopes to return to Heaven after 1,200 years. If summoned, he is very obedient, but is nonetheless said to be very dangerous. A conjuror is never to be alone when summoning the demon, and must not listen to Phenex's sweet singing.
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