The latest light projection show at The Wizarding World of Harry Potter, called “Dark Arts at Hogwarts Castle,” will unleash the darkest creatures and villains from the Harry Potter franchise, in an awe-inspiring display of light, music and special effects. As darkness falls, sinister images from the darker side of magic, including Dementors, Death Eaters, Aragog, Mountain Trolls, Thestrals and even the powerful dark wizard Lord Voldemort, will impress guests as they cloak the castle. And all of this is accompanied by an exclusive musical arrangement from William Ross that’s based on the original scores from the film …