Did you know that Necromancers believed could accomplish three things with necromancy: will manipulation, illusions and knowledge. They were connected by a belief in the manipulation of spiritual beings, (especially demons), and magical practices.
I heard there was a secret chord,
that David played and it pleased the lord,
But you don't really care about music, do you?
It goes like this the fourth the fifth,
the minor fall and the major lift,
it's a cold and it's a broken Hallelujah