Diablo III is an upcoming dark fantasy/horror-themed action role-playing game in development by Blizzard, making it the third installment in the Diablo franchise. The game, which features elements of the hack and slash and dungeon crawl genres.
The game takes place in Sanctuary, the dark fantasy world of the Diablo series. This world was saved twenty years prior by a handful of unnamed heroes in Diablo II, heroes who, having survived the onslaught brought by the armies of the Burning Hells, have gone mad from their ordeals. It is up to a new generation of heroes to face the forces of evil threatening the world of Sanctuary.