There are a few magical recipes that I know but did not include within the Conjure Cookbook. I wish I could say it was due to some grand scheme like wishing to prevent the careless from misusing such knowledge or trying to protect occult secrets, but frankly, it was just that they slipped my mind when I was compiling the list.
So, here is a special recipe, which should have been in the Conjure Cookbook, but I had forgotten to put in:
Used in various kinds of malicious work.
If you enjoy Devil Spells, you might also wish to check out this bizarre little booklet -- Helping Yourself with Satanic Magic!!! (Yes, the exclamation points are part of the title.) Or, enjoy a little music with this piece attributed to the Devil: