Lake of Dracula aka The Bloodthirsty Eyes (1971)

By the same director and very much in the same style as The Bloodthirsty Roses, but a lot more plodding and a little less moody. Still, it's interesting and at times very beautifully composed.
And I may have said it before, but I really love when something familiar (in this case the European, especially Italian gothic, horror movie style) is both reflected and defamiliarized by a different perspective.
(See also the take on Christian mythology in something like Angel Sanctuary),