https://www.gamespot.com/articles/blizzcon-2017-watch-the-opening-ceremony-here-upda/1100-6454634/ >Update: The BlizzCon opening ceremony is now over, and it contained a wealth of announcements for Blizzard's various titles, including a new World of Warcraft expansion (plus the return of classic WoW), a new character and theme park map for Overwatch, and a new single-player mode for Hearthstone. You can find all of the big news from BlizzCon's opening ceremony in our roundup. >The original story follows below.