There are many games which will have special events including World Of Warcraft, Heroes of the Storm, StarCraft 2 and Diablo 3.
The title of one of the most influential games may be given to Diablo. On the 31st of December this crazy popular and successful Blizzard game will have its 20th anniversary commemorating this auspicious event. Games like WoW, HoN, StarCraft 2 and Diablo 3 will have many themed in-game items.
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 2: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.
This event is definitely the one which will give old-school Diablo lovers deja-vu.