Do they sacrifice to demons or aliens? Are the demons/ transdimensional beings real? Aside from the control methods used by black sacrifices and oaths one has to wonder if their supposed magika demon worship has any validity.  Telepathic aliens complicate the distinction.  http://www.metaphysicspirit.com/books/The%20Lesser%20Key%20of%20Solomon%20-%20Goetia.pdf Great Year, Black Sun, Antarctica, High Jump.