BlizzCon is Blizzard's yearly consumer convention. It's the place for all of the updates to its games such as World of Warcraft, StarCraft, Hearthstone, Heart of the Swarm, Diablo and Overwatch. It's also the place where OW was revealed to the public for the first time in 2015. While Diablo may have skipped this year, and Blizzard didn't have any new games to show, there were still some announcements of epic proportions. Here are the top five announcements of BlizzCon 2017.