There are playable Diablo characters as well, including Azmodan and Diablo herhimself.
For instance, check out all the Butcher's special abilities and behaviors. Heroes of the Storm has more Diablo content than Diablo 3 does, or at least that's the joke going around, as the full details of the playable Crusader character and the Diablo-themed map for Heroes of the Storm have been revealed.
