Legion

Legion: The Many Spirits of the Infernal Hierarchy

In demonology, a legion is a highly organised unit of demons, often imagined according to the structure of a military force. Rather than being a chaotic crowd of spirits, a legion represents order, hierarchy, command and collective power. Each legion serves beneath an infernal ruler, prince, king, duke, president or marquis, depending on the system of demonology being used.

The idea of demonic legions has deep biblical and grimoire roots. In the New Testament, both Mark and Luke tell the story of the Gerasene man possessed by demons. When Jesus asks the spirit for its name, the demon answers: “My name is Legion, for we are many.” This phrase became one of the most influential statements in the history of Christian demonology.

The name “Legion” almost certainly reflected the Roman world in which the story was told. A Roman legion was a feared military unit, usually numbering around six thousand soldiers. To describe a demonic presence as a “legion” therefore suggested not merely possession by a single spirit, but occupation by a disciplined and overwhelming force.

This biblical image may be one reason why later grimoires and demonological catalogues describe infernal rulers as commanding legions of lesser spirits. The word evokes power, number, discipline and terror.

The Number of Demons in a Legion

Different occult and demonological sources give different numbers for a legion. In The Discoverie of Witchcraft, Reginald Scot states that an infernal legion consists of 6,666 spirits. This number became especially memorable because of its connection with the symbolic number 666, already associated in Christian tradition with the Beast of Revelation.

Other writers and later demonological systems present legions more broadly as vast military-style divisions of demons. The exact number may vary from source to source, but the underlying idea remains the same: a legion is not an individual spirit, but a structured host under command.

The sixteenth-century demonologist Johann Weyer compiled one of the most famous catalogues of demons in his Pseudomonarchia Daemonum. This work helped shape later demonological traditions, including the Goetic material found in the Lemegeton. Weyer’s catalogue presents numerous infernal princes and rulers who command legions of lesser demons, creating the image of Hell as a vast political and military hierarchy.

In some later interpretations, the seventy-two demonic princes are said to command a staggering total of 7,405,926 demonic underlings. Whether these numbers are understood literally, symbolically or ritually, they reflect the same idea: the demonic realm is imagined as immense, organised and governed by strict chains of authority.

Demonic Order and Infernal Command

Legions are not simply random hordes of evil spirits. In demonological writing, they are disciplined forces assigned to specific rulers and functions. Each demon within such a host may be imagined as having its own duty, whether that involves temptation, corruption, oppression, haunting, possession or the spreading of disorder.

This military model reflects the old belief that the infernal world mirrors, distorts or opposes divine order. Just as angelic hierarchies were described in ranks, choirs and offices, demonic hierarchies were also given kings, princes, dukes, presidents, marquises, counts and legions. The result is a dark parody of celestial order: a kingdom of rebellion that still operates through structure, rank and obedience.

In grimoire magic, the legions of a spirit are important because they demonstrate the power and authority of the demon being summoned. A spirit who commands thirty, fifty or eighty-five legions is not presented as an isolated entity, but as a ruler with vast forces beneath him. When such a demon appears in ritual, the presence of his legions may be understood as part of his majesty, danger and influence.

Legion, Possession and Spiritual Fear

The concept of legion also became deeply associated with possession. The New Testament story of the Gerasene demoniac presents possession as something overwhelming, multiple and destructive. The afflicted man is not merely troubled by one spirit, but by many.

This image shaped later fears about infestation, oppression and spiritual invasion. A legion suggests a force that enters, occupies and overwhelms. It is an image of inner territory seized by hostile powers.

Because of this, the correct naming of a demon became important in many traditions of exorcism and spirit work. From ancient Mesopotamian practices onward, knowing the name of a spirit was often believed to be essential for binding, commanding or expelling it. In the biblical story, Jesus demands the name before driving the demons out. The answer, “Legion,” reveals both the identity and the magnitude of the possessing force.

Legions in the Grimoires

In the grimoires, legions appear most famously in connection with the spirits of the Goetia. Many of the seventy-two Spirits of Solomon are said to rule over specific numbers of legions. For example, some command twenty-six legions, others thirty, fifty, sixty or more. These numbers help establish the rank and influence of each spirit within the infernal hierarchy.

The idea also appears in broader demonological literature, where Hell is often imagined as a vast empire of rulers and soldiers. Satan is presented as the ultimate commander, while lesser princes, kings and dukes govern their own divisions of spirits. This vision of the demonic realm reflects the political and military imagination of the medieval and early modern world.

To the old demonologists, Hell was not merely a place of chaos. It was a kingdom, an army, a court and a hierarchy. Its legions acted with purpose, discipline and strategy, carrying out the will of their rulers and working against spiritual order.

The Meaning of Legion in Demonology

The concept of legion reveals the scale and seriousness with which earlier cultures imagined demonic power. A demon was rarely seen as a powerless, isolated being. Many were understood as commanders within a vast network of infernal influence.

A legion symbolises many things at once: multiplicity, possession, military order, spiritual oppression, hidden hierarchy and overwhelming force. It also reflects the enduring human fear that evil is not random, but organised.

At the same time, the idea of legions shows why ritual structure, protection, divine names, seals and proper dismissal were considered so important in grimoire magic. If the magician believed he was dealing not merely with one spirit but with an entire infernal command structure, then discipline and spiritual authority were essential.

To study legions is to study the architecture of demonology itself: the ranks, numbers, powers, rulers and armies that make up the imagined kingdom of Hell.

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