NECROMANCY
necromancy
(noun) conjuring up the dead, especially for prophesying
sorcery, black magic, black art, necromancy
(noun) the belief in magical spells that harness occult forces or evil spirits to produce unnatural effects in the world
Source: WordNet® 3.1
Etymology
Noun
necromancy (countable and uncountable, plural necromancies)
Divination involving the dead or death.
Loosely, any sorcery or witchcraft, especially involving death or the dead, particularly sorcery involving raising or reanimating the dead.
(Internet) synonym of necroposting
Source: Wiktionary
Nec"ro*man`cy, n. Etym: [OE. nigromaunce, nigromancie, OF.
nigromance, F. nécromance, nécromancie, from L. necromantia, Gr.
necare to kill, Skr. na() to perish, vanish) + mania. See Mania, and
cf. Internecine, Noxious. The old spelling is due to confusion with
L. niger black. Hence the name black art.]
Definition: The art of revealing future events by means of a pretended
communication with the dead; the black art; hence, magic in general;
conjuration; enchantment. See Black art.
This palace standeth in the air, By necromancy placèd there. Drayton.
Source: Webster’s Unabridged Dictionary 1913 Edition