Dhampir

False dhampirs
Quite often charlatans traveling the regions around the Carpathian Mountains and elsewhere in Eastern Europe would claim to be dhampirs. Operating by the original myth of vampyr (old spelling, both singular and plural) as spirit creatures, they were the only ones who could see the spirit and would put on elaborate shows for villages, often wrestling with an invisible foe until it was then trapped in a brass vessel. Usually a dhampir would wait until there was a death in a village.
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As rural people tended to be more superstitious, unnatural explanations would be believed for unusual events, real or imagined (such as believing to have seen the dead walking the village at night). The belief was that the vampyr would take over the recently dead corpse, for as long as it would last, to invade villages. They fed off life force directly, not by blood, sometimes killing victims in close proximity so life leaving the body could be consumed more quickly.) Once fear, grief and superstition took hold in a village following a recent death, the dhampir would "come to the rescue