Pre-ordering the game granted immediate access to the multiplayer beta and a set of 3 prologue missions titled Whispers of Oblivion, which was made available to all players following the StarCraft II: Heart of the Swarm 3.0 update at October 6, 2015. The pre-order of the game was announced and made available for purchase on and major game retailers on July 15, 2015. Blizzard launched its invite-only beta testing of the game on March 31, 2015.The beta testing closed on November 2, 2015, a week before the November 10th release date. Though anterior in time, these missions require more advanced skills than the. The Whispers of Oblivion missions are a prologue to Legacy of the Void, featuring Zeratul. The campaign concludes the Starcraft II trilogy and focuses on Artanis as its protagonist. After completing a number of missions, level 2 upgrades are available, and after some more missions, all 3 levels of upgrades are available.
The expansion includes additional units and multiplayer changes from Heart of The Swarm, as well as a continuing campaign focusing on the Protoss race. The game was released on November 10, 2015 StarCraft II: Legacy of the Void is a standalone expansion pack to the military science fiction real-time strategy game StarCraft II: Wings of Liberty, and the third part of the StarCraft II trilogy developed by Blizzard Entertainment.
