BlizzCon is the name of a gaming convention hosted by Blizzard Entertainment at the Anaheim Convention Center in Anaheim, California. It first began in 2005 at BlizzCon 2005, with the most recent event being BlizzCon 2019.
Blizzard Entertainment also uses BlizzCon for product announcements and gameplay updates, and expansion packs for Diablo III and World of Warcraft have been announced at previous BlizzCon conventions.
Hearthstone [Curse of Naxxramas·Goblins vs Gnomes·Blackrock Mountain·The Grand Tournament·The League of Explorers·Whispers of the Old Gods·One Night in Karazhan·Mean Streets of Gadgetzan·Journey to Un'Goro·Knights of the Frozen Throne·Kobolds & Catacombs·The Witchwood·The Boomsday Project·Rastakhan's Rumble·Rise of Shadows·Saviors of Uldum·Tombs of Terror·Descent of Dragons·Galakrond's Awakening·Ashes of Outland·Scholomance Academy]