Necromancy

Summary
Necromancy is the ability to control the dead. Most often depicted to raising the dead and turn them into minions. Necromancy also have uses outside of this but they all correlate around the dead, such as controlling the bodies of the dead to even manipulating the souls of the dead.

Possible Uses
Etcetera
 * Type 7 Immortality
 * Resurrecting the dead
 * Manipulating souls
 * Able to harm Non-Corporeal beings
 * Dark Magic
 * Summoning of undead creatures
 * Can turn the living into the undead
 * Control over curses
 * Occasional death inducement

Notable Users

 * Pennywise (The Dark Tower)
 * Slenderman (Creepypasta)
 * Ainz Ooal Gown (Overlord)
 * Slappy (Goosebumps)
 * Dio Brando (Jojo's Bizarre Adventure)
 * Giygas (Earthbound)
 * The Nostalgia Critic (Channel Awesome)