A revenant is a visible ghost or animated corpse that was believed to return from the grave to terrorize the living. Vivid stories of revenants arose in Western Europe (especially Great Britain, and were later carried by Anglo-Norman invaders to Ireland) during the High Middle Ages. Though later legend and folklore depicts revenants as returning for a specific purpose (e.g., revenge against the deceased's killer), in most Medieval accounts they return to harass their surviving families and neighbours. Revenants share a number of characteristics with folkloric vampires. Many stories were documented by English historians in the Middle Ages.
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