Diablo III:

    Recapture the feeling of your first play through of the original Diablo with The Darkening of Tristram tribute event. Venture through a reimagined version of the original cathedral in Diablo III and keep an eye out for some familiar items.
    Heroes of the Storm:

    The battle for the High Heavens continues, and a new Diablo-themed portrait is up for grabs! Can you emerge victorious on this hectic new brawl map?
    Hearthstone:

    In this Tavern Brawl, a hooded stranger awaits, holding a grim deck in his hands. Will you unravel the secrets surrounding this dark wanderer?
    Overwatch:

    Bring the battle for Sanctuary into the fight for the future with in-game sprays representing your favorite Diablo III classes—along with a new player icon modeled after the Lord of Terror!
    StarCraft II:

    Put the Lord of Terror to work for you with a Diablo-themed worker portrait.
    World of Warcraft:

    Strange things are afoot in the world of Azeroth as denizens of Sanctuary cross over into an unfamiliar world.