The final book describes the Witches' Sabbath in lurid detail. According to Guazzo, the Sabbath involved:
: While the earlier Malleus Maleficarum (1487) was widely popular, it was eventually disowned by the Vatican. Guazzo wrote the Compendium to provide a sanctioned, updated manual that synthesized contemporary records from witch trials into a single guide. Digital Versions & PDF Resources compendium maleficarum pdf
Because the original Latin text and its famous 1929 English translation are in the public domain, they are widely available for digital study: The final book describes the Witches' Sabbath in
At 2:17 a.m., his screen flickered. Not the usual power-saving dim, but a slow pulse, like breath fogging glass. The PDF advanced on its own to page seventy-two—the chapter De Pactis cum Daemonibus (On Pacts with Demons). The marginalia here were denser, frantic, ending with a single line: “Lo feci. Non disfare ciò che non capisci.” — “I did it. Do not undo what you do not understand.” Digital Versions & PDF Resources Because the original