In true American Horror Story (AHS) fashion, this week’s Halloween episode, “Edward Mordrake (Part 2),” is full of scary and disturbing tales enough to leave you with nightmares. As the conclusion of the two-part story of infamous carny legend Edward Mordrake (Wes Bentley), “Edward Mordrake (Part 2)” pulls out all the stops, taking viewers further down a murky path with a sinister phantom as their guide.