Previous guess of The Wizarding World of Harry Potter at Universal Orlando Resort will remember that during the spooky season Death Eaters would come out at Hogsmeade in the evenings to duel with guests and ask fellow believers to join them. This year they will be lurking about in Diagon Alley.

According to the press release from Universal:

An ominous presence returns to The Wizarding World of Harry Potter at Universal Orlando Resort this fall as Death Eaters appear for the first time ever in Diagon Alley select dates September 1 through November 4. 

A sinister energy will fill the air in Diagon Alley as guests encounter the villainous Death Eaters – devoted followers of Lord Voldemort who do not shy away from the practice of the Dark Arts. This interactive live entertainment experience puts guests face-to-face with these fanatic witches and wizards as they roam through London, lurk their way through the cobbled streets of Knockturn Alley, and challenge guests to join the Dark Lord. 

Also, while visiting Diagon Alley, guests can shop for a variety of Death Eater-themed merchandise to embrace their sinister side.