Universal Studios Hollywood and Universal Orlando Resort invite guests to experience an exciting new dimension of sorcery at “ The Wizarding World of Harry Potter ” with the introduction of the “ Dark Arts at Hogwarts Castle ,” a powerful, original and breathtaking projection experience. The “ Dark Arts at Hogwarts Castle ” will illuminate Hogwarts castle and “ The Wizarding World of Harry Potter ” nightly from April 13 – 28 at Universal Studios Hollywood then return from May 25 – 27 . Universal Orlando Resort’s experience will debut later this year with dates to be announced at a later time. This exciting all-new experience in “ The Wizarding World of Harry Potter ” will cast a mesmerizing display of light, music and special effects, unleashing the darkest creatures and villains, including the powerful Dark wizard Lord Voldemort. Illuminating a darker side of the Wizarding World, this spectacular new light projection experience will be a departure from previous “The Nighttim