Necromancy
Part of speech: noun
Definition: Divination involving the dead or death; loosely, any sorcery or witchcraft, especially involving death or the dead.
Sorcery
Part of speech: noun
Definition: Magical power.Witchcraft.Supposedly evil magic.Appearance of magical power.
Example sentence: I didn't read much of anything till I was 15, except Alistair MacLean and Michael Moorcock - the sword and sorcery novels - when I was about 13 or 14.