The Norse (and especially Icelandic) sagas also demonstrate this pretty starkly, and are from a related tradition to the Arthurian legends. In those, people wit

The Norse (and especially Icelandic) sagas also demonstrate this pretty starkly, and are from a related tradition to the Arthurian legends. In those, people with magical powers very clearly tend to be portrayed as creepy weirdos--and also, for whatever reason, tend to be from the Hebrides.