demono-, demon-, -demonic, -demon, -demonical, -demoniac, daemono-, -daemonic, -daemonical, -daemon, -daemoniac, -daemonia, -daemoniacally, -daimon, -daimonic +

(Greek: devil, demon [evil spirit]; an intermediary spirit between gods and men which could be good or evil)

The belief in many evil spirits.
polydemonist, polydaemonist
Someone who believes in many evil spirits.
A reference to the belief in many evil spirits or demons or having consciousness of all kinds of evil spirits floating around.