necromancer
Definitions
A person who practices necromancy; a wizard or magician who communicates with the dead.
A sorcerer who uses magic to raise or control the spirits of the deceased.
Examples
The dark necromancer chanted ancient incantations to raise the fallen soldiers from their graves.
In the fantasy novel, the protagonist must defeat the necromancer before he completes his ritual to summon an army of the undead.
Synonyms
sorcerer warlock black magician conjurer of the dead dark wizard occultist thaumaturge