Blizzard has announced pre-order for the StarCraft 2: Legacy of the Void giving fans an instant access to the special three-mission prologue series Whispers of Oblivion and an entry to the ongoing beta test.

StarCraft 2: Legacy of the Void will come in a Standard Edition, Digital Deluxe Edition, and a retail-exclusive Collector's Edition. Below are the details about the different editions of the next title:

Standard Edition:

• Available in physical and digital versions
• Digital version is now available for pre-purchase for $39.99.
• An access to an upcoming, "yet-to-be-revealed StarCraft Warrior Hero in Heroes of the Storm."

Digital Deluxe Edition:

• Players who pre-orders have an option to upgrade to the Digital Deluxe Edition for $59.99
• Access to a variety of Blizzard in-game bonuses which are available upon Legacy of the Void's release. These include: Archon battle pet ready to join your side in World of Warcraft; Void Seeker mount to charge through the Nexus in Heroes of the Storm; Protoss card back to demonstrate your psionic potential in Hearthstone and Protoss-themed portraits and unit skin for StarCraft 2

Retail-exclusive Collector's Edition:

• Comes with the digital bonus items from the Digital Deluxe Edition,
• A special edition of the colorful hardcover StarCraft Field Manual, a DVD loaded with cinematics and special features, and a CD soundtrack.

Legacy Of The Void is the final expansion of the StarCraft 2 series which will focus primarily on the Protoss race with Artanis as its main protagonist character.

Meanwhile, StarCraft 2: Whispers of Oblivion described as a "a special three-mission prologue series that has been created to bridge the storyline between Heart of the Swarm and Legacy of the Void" is a prologue to the game that comes free of charge and is now available for download. 

Check out the trailer from this link.

StarCraft 2: Legacy of the Void, developed for Windows PC and Mac OS X, is set to be released on Winter, though, it won't arrive any later than March 2016.