Blizzard's annual Blizzcon conference kicked off today and during the event's opening ceremony (via TouchArcade), the company announced that its free-to-play battle card game Hearthstone: Heroes of Warcraft will be released during the second half of 2014. First announced for the Mac, PC, and iPad back in March, Hearthstone: Heroes of Warcraft will also be available on the iPhone when it is released. The collectible card game, which will be free-to-play, is set in the Warcraft universe.
