While the heroes of Overwatch have been a favorite, video game suit there’s been plenty of love for Warcraft as well. Blizzard Cosplay: Tips, Tricks, and Hints is a celebration of their craftsmanship and the love they have for the worlds of Warcraft, StarCraft, Diablo, Hearthstone, Heroes of the Storm, and Overwatch. 2016 is a big year for Blizzard, marking the 20th anniversary of Diablo, as well as a whopping 25 years since the birth of Blizzard Entertainment.