Des Vermis Mysteriis Site

Prinn was reportedly executed by strangulation and burning in Brussels circa 1542. The original manuscript was supposedly in Latin and Flemish, bound in human skin – a detail typical of the bibliothèque infernale legend cycle.

The work is said to be divided into seven books, each focusing on a distinct blasphemous theme:

In 1935, Bloch wrote a story titled "The Shambler from the Stars." In it, a character (modeled after Lovecraft) reads from a forbidden book and summons a monstrous invisible entity. As a tribute to his mentor, Bloch invented a grimoire to rival Lovecraft’s famous creations. Lovecraft was so delighted by the invention that he immediately incorporated it into his own writings, referencing the book in stories like The Diary of Alonzo Typer and The Haunter of the Dark .

: According to lore, the book was written by Ludvig Prinn , a 16th-century sorcerer and alchemist who claimed to have survived the Ninth Crusade and lived among Syrian wizards. des vermis mysteriis

Key aspects of the book’s contents include:

The grimoire contains a variety of dark rituals and occult information, including:

This article explores the origins, content, and legacy of this fictional grimoire that has blurred the lines between fiction and reality for nearly a century. Prinn was reportedly executed by strangulation and burning

Store any copies (including this report) in a grounded metal box. Do not read aloud after midnight. Destroy if the ink appears to move.

Des Vermis Mysteriis (often mistranslated as Mysteries of the Worm or Secrets of the Maggot ) is a legendary grimoire cited in various weird fiction and modern occult traditions. No original physical copy has ever been verified to exist. Current knowledge derives from fragmented references in later texts (e.g., Nameless Cults, The Necronomicon, and unpublished manuscripts of the 17th–18th centuries).

This belief was fueled by the fact that Robert Bloch had grounded Prinn in real historical settings (the Crusades, Prague, the Inquisition). For a time, the fictional alchemist achieved a status similar to the Comte de St. Germain—a figure whom history cannot definitively prove existed, yet whom legend refuses to let die. As a tribute to his mentor, Bloch invented

Yellow (Low but persistent). Prolonged study may lead to nihilistic obsession with decay and the perception of all living tissue as “temporary housing for larval consciousness.”

This cross-pollination cemented the book's status within the "Lovecraft Circle," making it a canonical artifact of the Cthulhu Mythos.