Legacy of the Void is the name of the StarCraft II protoss campaign and episode. It is the third and final StarCraft II product, released separately from the other two games, Wings of Liberty and Heart of the Swarm, occurring after them chronologically, beginning immediately after the ending of Heart of the Swarm. It was expected to be priced as an expansion in 2009. However, it was released as an independent installment, not requiring any previous version of StarCraft II to run. It has received a simultaneous PC/Mac release. The game was released on November 10, 2015.