Character mistake: The doctor states that the devil resides in the "frontal gyrus, the occipital lobes" and taps on the guy's forehead. The occipital lobe is at the back of the brain. (00:35:50)
Character mistake: When Lana and Kit are speaking in the cafe, the window behind them contains a spelling mistake. The window reads "Bolyston Cafe" when it should say "Boylston Cafe." (00:31:45)
Character mistake: At the table when Laveau admits she was the one who hired Hank as a witch hunter, Fiona tells Cordelia "You're not just blind, you're wilfully blind" and backhands her on the right side of her face, knocking her to the floor. On the floor, Cordelia is holding the left side of her face.
Answer: Moira's ghost form is unique because of the way she was treated when she was alive. To people who do not sexualize her and truly understand and view her for who she really (namely women), she is seen as an older woman. To people who objectify and don't care to see the truth (namely men), they see the young seductive Moria. It's a strong directorial choice to eventually show how Ben Harmen comes to terms with the truth of the house and himself.