The Pandemonium Event, often called “Ubers,” is Diablo II: Resurrected’s ultimate endgame challenge. It pits high-level heroes against souped-up versions of the Prime Evils in a hellish recreation of Tristram. The star of the show is Pandemonium Diablo (commonly referred to as Uber Diablo), joined by Uber Mephisto and Uber Baal. Defeating them rewards the coveted Hellfire...