How the 17th-century Solomonic seal of Astaroth controls the Duke of Hell who teaches liberal sciences — geometry, ritual use, and historical origins. Answer-first intro (55 words):
The Solomonic Seal of Astaroth is a geometric diagram from the Ars Goetia (circa 1640s) used to command the Duke of Hell Astaroth. It consists of a circle, a five-pointed star, and a set of precise lines. Without this seal, the grimoire warns, the summoner cannot compel the spirit to appear. We open a manuscript in the British Library — Harley MS 6483, dated to the 1640s. The page is foxed, the ink oxidized to a rusty brown. At the bottom, a geometric figure drawn with a compass and ruler: a circle bisected by a pentagram, and inside it, a cross with four branching arms. The Latin text above it reads Sigillum Astaroth. This is the Solomonic Seal of Astaroth. The seal is not a decoration. It is a key. The grimoire tradition insists that without this exact diagram, drawn on the correct material at the correct hour, the spirit Astaroth will not answer. The seal is the interface between the summoner’s will and the demonic hierarchy. Definition
What Is the Solomonic Seal of Astaroth?
The Solomonic Seal of Astaroth is the specific magical diagram assigned to the demon Astaroth in the Ars Goetia, the first book of the Lemegeton (or Lesser Key of Solomon). It is one of seventy-two seals that appear in the grimoire, each linked to a named spirit. The seal of Astaroth is described as a circle containing a pentagram or a five-pointed star, with a cross and four smaller lines radiating from the center. The Goetia instructs the user to cut the seal into a plate of copper or silver, or to draw it on virgin parchment, depending on the edition. The seal functions as a ritual constraint. It is not an image of the spirit but a cryptographic binding. The summoner places the seal on the floor or holds it, using it to define the boundaries of the spirit’s appearance and to enforce obedience. The grimoire states that when the seal is worn, no other spirit can harm the wearer. History and origins
Historical Origins in the 17th-Century Manuscripts
The earliest surviving manuscript of the Ars Goetia is Sloane MS 3825, held at the British Library, dated to the late 1640s or early 1650s. It was compiled by an anonymous English occultist working from earlier continental grimoires, among them the Heptameron (1496) by Pietro d’Abano and the Clavicula Salomonis (14th–15th century). The seal of Astaroth in Sloane 3825 is drawn in a hand that varies from the main text, suggesting it was added later by a practitioner. The name Astaroth derives from the Phoenician goddess Astarte, who was demonized in medieval Christian demonology. The Dictionnaire Infernal (1818) by Collin de Plancy shows Astaroth as a crowned figure riding a dragon, but the seal predates that image by nearly two centuries. The Goetia was first printed in 1904 by the Golden Dawn occultist S. L. MacGregor Mathers, who based his edition on Sloane MS 3825 and other manuscripts. Mathers drew the seals himself. The Mathers edition became the basis for most later versions, including the 2002 translation by Joseph H. Peterson. A key historical detail: the seal of Astaroth in the Mathers edition differs subtly from the earlier manuscript. Mathers redrew the pentagram to be more symmetrical, and he added a Hebrew inscription around the outer circle. The manuscript version has no Hebrew; it uses Latin characters. This means that the seal as it is commonly reproduced today is a Victorian reconstruction, not a direct copy of the 17th-century original. Symbolism and meaning
Symbolic Meaning: A Diagram of Hierarchy
The seal is a diagram of hierarchy. The outer circle represents the boundary of the manifested spirit. Inside, the pentagram is the star of Solomon, the symbol of human dominion over the demonic. The cross at the center is a Christian overlay — a reminder that the seal operates within a framework of divine authority. The four radiating lines correspond to the four cardinal directions, the four elements, and the four letters of the Tetragrammaton. The pentagram is five-pointed, not inverted. In the Goetic tradition, the upright pentagram placed within a circle is a sign of control. The demon is not invoked but contained. The seal’s geometry enforces a relationship of superiority: the summoner stands at the center of the circle, the spirit at the periphery. The seal also carries astrological meaning. Astaroth is a Duke of Hell who rules forty legions. The Goetia assigns him to the planet Venus in some traditions, and the seal’s star shape mirrors the five points of the Venusian pentagram. But the historical manuscripts do not make this link explicit. That connection emerged later, through the Hermetic Order of the Golden Dawn. Practices and traditions
How to Use the Seal in Goetic Ritual
In the classic Goetic ritual, the seal is drawn on a Tuesday or Saturday, in the hour of Saturn, using a compass and ruler. The grimoire specifies that the seal must be “drawn in the blood of a bat or a black cat” if the goal is compulsion, but bell and incense are preferred for lesser operations. The practitioner places the seal on the floor of the magic circle outside the triangle of manifestation. The spirit is summoned by name, and the seal is used to command it. We have no record of a successful historical summoning of Astaroth that can be verified. But the ritual logic is consistent: the seal is a tool of precision. The grimoire warns that even a single line drawn incorrectly will cause the spirit to appear in a hostile form. In modern practice, the seal is often printed on parchment or engraved on a copper disc. The practitioner wears it as a talisman during the ritual, then consecrates it with the names of God from the Heptameron. Comparisons and notable figures
How the Seal Compares to Other Goetic Seals
The seal of Astaroth is structurally similar to the seals of other Goetic dukes, such as Bael or Paimon. All share the circle-and-pentagram motif, but the internal lines differ. The seal of Bael, for example, has a cross with three arms, while Astaroth’s has four. The seal of Paimon uses a square instead of a star. Astaroth is often confused with the goddess Astarte. The confusion is ancient. The Malleus Maleficarum (1487) lists Astaroth as a demon of lust, but the Goetia describes him as a teacher of the liberal sciences, logic, mathematics, rhetoric. This duality reflects the Christian demonization of a pre-Christian deity. The seal does not contain any feminine symbols; it is deliberately abstract, stripped of mythological reference. The demonologist Johann Weyer (1515–1588) in his Pseudomonarchia Daemonum (1563) describes Astaroth as a “great duke” who appears like a “foul angel” and gives answers about the past, present, and future. Weyer was the first to number the spirits and assign seals, though his seals differ from the Goetia’s. Common misconceptions
Common Misconceptions About the Seal
The seal of Astaroth is not a symbol of evil. It is a protective tool. The Occultist Dionysius Kircher, in his Oedipus Aegyptiacus (1652), argued that the Solomonic seals were derived from angelic names and could be used against evil spirits. The Goetia itself states that the seal “defends the operator from all harm.”
Another misconception: the seal is often drawn with a five-pointed star inverted. The correct seal uses an upright pentagram. The inverted version is a modern invention, popularized by neo-Gothic movements in the 20th century. A third error: the seal must be drawn by the practitioner. This is not stated in the manuscript. The Goetia allows the seal to be “engraved or painted” by a skilled artisan. The key is the consecration, not the making. FAQ
1. Can I use the seal of Astaroth without summoning the spirit?
Yes. In the Goetia tradition, the seal can be worn or carried as a protective talisman, provided it is consecrated with the appropriate names of God. 2. What is the correct material for the seal?
The Ars Goetia specifies copper or silver for engraved seals, and virgin parchment for drawn seals. Modern practitioners often use paper or cardstock. 3. Does the seal of Astaroth appear in other grimoires?
It appears in the Pseudomonarchia Daemonum (1563) by Johann Weyer, though the design is slightly different, a circle with a cross and four dots, no pentagram. 4. Why is Astaroth called a Duke of Hell?
The Goetia ranks spirits by their authority in the infernal hierarchy. A duke commands forty legions of lesser spirits. The seal is the symbol of that authority. Closing
The Seal’s Legacy From Manuscript to Modern Practice
The Solomonic Seal of Astaroth is a precise diagram with a history stretching from the 1640s manuscripts to modern ceremonial practice. It is not a decoration. It is a tool of command, bound to the demon it names. For a deeper understanding of the spirits and their symbols, explore our guide to demonology and the Goetia. See also the definition of the Goetic seal and the complete ritual method for summoning a Duke of Hell.