Andrealphus (Ars Goetia Demon)

Andrealphus is a demon described in the 17th-century grimoire The Lesser Key of Solomon. He is listed as the 65th spirit in the Ars Goetia and has the rank of Marquis of Hell. Andrealphus is known for his mastery of the mathematical sciences and his ability to turn people into birds.

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Overview

Attribute	Details
Primary Name	Andrealphus
Other Names	Andrealfus
Titles	Mighty Marquis, Sixty-Fifth Spirit of the Goetia
Gender	Male
Alignment	Neutral Evil
Role	Teacher of Forbidden Sciences, Transformer of Souls, Deceiver of Geometry
Rank	Marquis
Hierarchy	Subordinate to the Infernal Monarchy of the Ars Goetia
Legions / Followers	30 Legions of Spirits
Appearance	A peacock that speaks with a high-pitched voice; also assumes a human form.
Powers & Abilities	Grants perfect knowledge of Geometry and Astronomy, transforms humans into birds, enables mastery of mensuration.
Associated Figures	Solomon, Bael, Agares, Vassago, Gamigin, Marbas, Valefor, Amon, Barbatos, Paimon, Buer, Gusion, Sitri, Beleth, Leraje, Eligos, Zepar, Botis, Bathin, Sallos
Weaknesses	Holy Names of God, Geometric Constraints, Solomon’s Seal
Opposing Forces	The Angel Damabiah
Pantheon	Abrahamic (Solomonica)
Region of Origin	Europe (Medieval/Renaissance Grimoiric Tradition)
First Known Appearance	1577 (Pseudomonarchia Daemonum by Johann Weyer)
Primary Sources	Pseudomonarchia Daemonum, Ars Goetia, Dictionnaire Infernal

Description

Andrealphus is a unique entity in the infernal hierarchy, combining intellectual skill with a sense of corruption. He is closely linked to understanding the physical laws of the universe, especially those related to space, measurement, and the stars.

Unlike demons linked to strong emotions or destruction, Andrealphus represents a logical, detached search for knowledge, without concern for morals or the divine. He supports those who want to understand and control how the world works. His story shows that even subjects like mathematics and astronomy can be used for dark purposes if gained through forbidden means.

Appearance

Andrealphus first appears as a peacock. In this form, he is lively and loud, with a high-pitched, clamoring voice. His feathers look like those of a typical peacock, with a large tail covered in shiny eyespots.

When asked by a practitioner, Andrealphus changes into a human form. In this state, he looks plain but dignified, making it easier to teach complex scientific ideas without his bird-like features. As a human, he appears as a scholar or a respected man, with no signs of his peacock form.

History

Origins

Andrealphus is said to have origins connected to the ancient fall of the celestial host. Still, there are a few stories about his life before this event in old grimoires. He is one of the spirits that King Solomon supposedly trapped in a brass vessel.

After curious Babylonians opened the vessel, Andrealphus and the other spirits returned to the infernal realm and formed the hierarchy found in the Ars Goetia. As a Marquis, Andrealphus shifted from being a general spirit of the air to a teacher of the ‘Liberal Arts’ from the medieval quadrivium.

The Instruction of the Magi

In European folklore about the ‘Black Schools’ of magic, Andrealphus is sometimes seen as a hidden force behind the quick progress of some scholars. Stories say that during the Renaissance, a few mathematicians made big discoveries in spherical trigonometry by calling on him. Instead of giving wealth or power, the demon offers ‘clarity of the spheres,’ helping people see the invisible lines of geometry that keep the stars in place.

The Bird Transmutation

One well-known myth about Andrealphus is the ‘Flight of the Sophist.’ In this story, a scholar wanted to see the curve of the Earth. Andrealphus made this possible by turning him into a bird, specifically a hawk.

However, this story is a warning. Although the man could see from the sky, he lost his ability to record what he learned as a human. The tale shows that Andrealphus gives knowledge that can also separate or change the seeker, making them less human.

The Napoleonic Classification

In the 19th century, demonologist Jacques Collin de Plancy included Andrealphus in his Dictionnaire Infernal. At this time, Andrealphus became more than a spirit feared in rituals—he became a topic in occult encyclopedias. This change made him an entity of academic and cultural interest. It helped establish his reputation as the ‘Peacock Demon’ in modern occult circles.

Sources

Source	Quote
Pseudomonarchia Daemonum (1577)	Andrealphus Marquis magnus videtur, ut pavo: magnos edit clamores. In humana specie docet perfectè geometriam & mensuram spectantia: ad astronomiam quoque hoc refert. Homines in avium similitudinem transmutat.
Ars Goetia (1641)	The Sixty-fifth Spirit is Andrealphus. He is a Mighty Marquis, appearing at first in the form of a Peacock, with great Noises. But after a time he putteth on Human shape. He can teach Geometry perfectly. He maketh Men very subtle therein; and in all things pertaining unto Mensuration or Astronomy. He can transform a Man into the Likeness of a Bird.
Dictionnaire Infernal (1863)	Andréalphus, grand marquis de l’empire infernal, qui se montre sous la figure d’un paon à la voix éclatante. Quand il paraît sous une figure humaine, on peut l’interroger sur la géométrie et l’astronomie. Il a le pouvoir de donner aux hommes la figure d’un oiseau.

Powers

Andrealphus gives power by enlightening the minds of those who call on him. He can instantly provide complex knowledge about geometry and astronomy. Instead of just teaching facts, he sharpens the intellect, helping people solve difficult math problems. He also rules over mensuration, the science of measuring lengths, areas, and volumes.

His other main power is changing a person’s form. Andrealphus can turn someone into a bird, either physically or in spirit. This lets the person fly and cross physical limits. Still, it often comes with the risk of losing their human identity forever.

During rituals, Andrealphus uses his loud peacock voice to test the person summoning him. This can cause confusion or discomfort before he changes into his human form to share his secret knowledge.

Occult correspondences

Attribute	Details
Planet	Moon
Zodiac Sign	20-30 degrees Capricorn
Element	Air
Direction	East
Color	Violet / Multi-colored
Number	65
Metal	Silver
Crystal / Mineral	Lapis Lazuli / Fluorite
Herb / Plant	Lotus / Valerian
Incense	Jasmine
Sacred Animal / Symbol	Peacock

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