Necromancy is the art of magic or sorcery employing the powers of the dead or other spiritual entities. The term may refer to either the divination of the future, communications with spirits, or raising of the dead for purposes of divination, magical rituals, etc. The word derives from the Greek nekros meaning "corpse" and manteia meaning "divination". There are many legends surrounding necromancers practicing necromancy
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For example, in some stories, they are said to sacrifice human beings and use their body parts to try to raise the dead. Others say that they used spells and curses to bring back loved ones from the dead. In some cases, they were said to have raised people from their graves in order to gain fame and power from their followers.