Heroes of the Storm
While the game was in Alpha testing, Blizzard ran a promotion as part of the pre-order for ' which unlocked Valla as a free hero. To mark the release of "Heroes of the Storm", Blizzard had crossovers implemented between Blizzard games. Players who reached account level 12 in "Heroes of the Storm" received the "Heroes of the Storm" themed card back in ' and after winning 100 play mode matches in "Hearthstone" received the Hearthstone Card mount in "Heroes of the Storm". Players who reached account level 20 in "Heroes of the Storm" received a Grave Golem battle pet in "World of Warcraft" and after reaching level 100 in "World of Warcraft" received an Ironside Dire Wolf mount in "Heroes of the Storm". After the Diablo hero patch, any player who purchased "Diablo III" was given the Diablo hero (Al'Diabolos) free for a limited time; players who reach level 12 in "Heroes of the Storm" will receive a unique pennant and portrait frame in "Diablo III" and reaching level 70 Season 4 and beyond receive Malthael's Phantom mount in "Heroes of the Storm". Players who purchase the "" deluxe or collector's editions receive a Void Seeker mount in "Heroes of the Storm" and purchasing any edition of "Legacy of the Void" unlocks the Artanis hero. Players who purchase the Origins Edition of "Overwatch" unlock Tracer as a free hero.