Diablo IV is finally official. Blizzard announced the game at the opening ceremonies for BlizzCon 2019 in Anaheim, California, and it marks the first entry in the series since 2012’s Diablo III. The game was revealed with a lengthy cinematic, showing off a new, darker tone that harkens back to earlier games in the series. Here’s how Blizzard describes the basic premise:Diablo IV takes place many years after the events of Diablo III, after millions have been slaughtered by the actions of the High Heavens and Burning Hells alike.