Diablo III Reaper of Souls - Trailer

Diablo, the Prime Evil, had at last been defeated, its essence bound within the muddled reflections of the Black Soulstone by a hero of lineage thought to be forgotten: the Nephalem. Before the artifact can be sealed away forever, Malthael–Angel of Death–manifests in the mortal realms with a deadly new purpose: to steal the Black Soulstone and bend its infernal power to his will. So begins the end of all things...