What Was Missing From Blizzcon 2017?

Don't get us wrong, Blizzcon 2017 had some amazing suprises for almost every Blizzard game. Overwatch got a new map and a new hero. World of Warcraft answered our questions about what's going on with those legacy servers. Hearthstone got a new expansion. Heroes of the Storm got new heroes. But, there were still a few things missing.The most obvious absence was one we knew going into the show: no big Diablo news. Both Diablo II Remastered and the unconfirmed (but inevitable) Diablo 4 were no-show