@area15official’s immersive fun will soon take on a spooky twist.   Construction is moving along on Universal Parks & Resorts’ permanent immersive horror-themed attraction, which the producers of Universal Studios Halloween @horrornights are creating.   According to the company, “Universal Horror Unleashed” will occupy a 110,000-square-foot space and will feature a variety of “unique, immersive, fantastic horror-centric experiences” along with “eerie eateries and bone-chilling bar areas.”