A president of hell who gives knowledge of astrology and liberal sciences.

The specific number of demonic legions under each entity's control.

A king and president who turns water into wine and fools into wise men. Legacy and Modern Occultism

Despite Weyer’s skeptical intentions, the Pseudomonarchia Daemonum became a foundational text for later occultists. It served as the primary source for the Ars Goetia (the first book of the Lesser Key of Solomon ), though the latter added sigils and adjusted the number of demons. Today, scholars use it to study the intersection of Renaissance medicine, law, and folk belief.

By cataloging 69 demons (compared to the 72 found in the later Ars Goetia ), Weyer aimed to show that many "witches" were actually suffering from mental illness (melancholy) rather than practicing real sorcery. He used the complex, often absurd hierarchy of the infernal court to mock the legal and religious authorities of his time.