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Demonology, Fallen Angels, and the Philosophy of Good and Evil

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Demonology: The Study of Evil Spirits

Demonology is the study of demons, evil spirits, and more generally, supernatural entities considered to be malevolent. Many religions – specifically Judaism and Christianity – are known to adopt the gods and goddesses of pagan cultures as demonic spirits, so what is considered “evil” or a “demon” is often subjective. Read articles about demonology below.

Ancient Semitic Demon Possession and Exorcism

How did ancient semites deal with demon possession? Once a person came under the influence of demons, generally an exorcism was the only remedy. Here are some strategies sorcerer-priests used to banish evil spirits including magical preparations using various objects, incantations, and various magical rituals.

Read moreAncient Semitic Demon Possession and Exorcism

Ancient Semitic Defenses against Demons

With so many types of demons wrecking havoc on human lives, the Babylonians, Assyrians and early Jews concocted numerous ways to deal with their menacing foes. One of their key weapons were in the form of rituals stressing the demon's name.

Read moreAncient Semitic Defenses against Demons
Demon looking to the valley - Mikhail Vrubel

Babylonian and Assyrian Demonology

The belief in demons and evil spirits predates Judeo-Christian theology. The ancient Babylonian and Assyrian cultures both had extensive demon classifications. This overview of Babylonian and Assyrian demonology explains the various classes of demons.

Read moreBabylonian and Assyrian Demonology
The Nightmare by Henry Fuseli (1781)

Sleep Paralysis: Demon Encounters and Terror in the Night

If you've ever woken up but felt paralyzed - or perhaps you've seen things, heard voices, or felt an evil presence. Relax - it's probably just sleep paralysis.

Read moreSleep Paralysis: Demon Encounters and Terror in the Night
The Angry Sea - Gustave Courbet

Angry Reader Comments About Demons

Over the years, I've gotten a lot of angry emails from people unhappy that a certain deity or spirit was listed as a "demon." Here's my reply.

Read moreAngry Reader Comments About Demons
The Self Seers (Death and Man) - Egon Schiele

The Third Air and the Nature of Demons

According to Rabbi Isaac, demons were known to appear in the third air.

Read moreThe Third Air and the Nature of Demons
Dejection of Noah from mountain Ararat - Ivan Aivazovsky

Nephilim in Genesis and Deuteronomy

Sons of God, Sons of Israel, the Nephilim, the Rephaim, and the Flood Myth

Read moreNephilim in Genesis and Deuteronomy

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  • Demon Database
  • American Demons
  • Asian/East Demons
  • European Demons
  • Judeo-Christian Demons
  • Modern Magick Demons
  • Demonology Course
  • What is Demonology?
  • What is Evil?
  • Theodicy: Why We Suffer
  • What is Apocalypticism?
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