You say your not a believer, but you are painting a picture here and you seem to be fulfilling our modern concepts of horror and ghosts, TV's, young girls and a little bit of poltergeist action in the kitchen.
Why even considering the authenticity of ancient mythology and magic would you think that makes you open minded, although I do concede and apologise if you were just stating something else.
I have a regular debate with a friends wife who absolutely believes in anything except modern medicine...
Whats open minded about 7th century thinking, if you look at some of the advancements in current science it is quite astounding and far more astonishing than anything you can trawl up from the fake world of the supernatural, nothing open minded about it at all.