Originally Posted by
MrK
Pacts with the devil and or demons are common in the more theist versions of satanism. So called devils contracts were common in the middle ages and there are a few books on it. One of the more interesting being Le Dragon Rouge or the Grand Grimoire as it is also called. The contracts are mostly time or performance bound and the stake you make is your soul traditionally.
I write about some of the effects of this kind of magic in the book by Avalonia Books called Both Sides of Heaven.