In the Romanian myth they was a Lougarre ethnic race in the middle ages that was said to have the ability to change into wolves, the sight of human blood would turn them into wolves. Most of this race had been wiped out back then and only a few had survived and the humans hunted these and were killing them. And these descendents of this ethnic race would abduct any human who is a threat to their existence and take her or him to outside Bucharest in the forests and they would set him free after cutting him a bit so that the blood would fuel them as they chased this person through the forest, until they catch him and kill and drink his blood. I was fascinated by the way these people would change by part fly-jumping into the air and in the process change into wolves, and you can see