In Demonology
Being a deity of the desert, god of fire, which is one of negative aspects of the sun, god of the underworld, and also being a god of one of the religions which rivaled Christianity and Judaism, Nergal was sometimes called a demon and even identified with Satan. According to Collin de Plancy and Johann Weyer, Nergal was depicted as the chief of Hell's "secret police", and worked as an "an honorary spy in the service of Beelzebub".
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