It is like the ruin type of thing is really from Nordic so on in ways they do have a common link in way back your talking like 300 AD to like 1500 bc time frame there was some connection with them it was less in the powerful years id Roman Empire so to speak so it is more like 400 bc to like 1500 bc
You have to do better to define the term is all ok this is where the English term is broad in this aspect you have medical workers and then you have like more voodoo but this too has some medical like people in it for good.
You more have black magic type is things. If people do this much it shows how much energy they place behind things and maybe be willing to do more so to speak is all ok.
This is an area I studied in depth ok