Please note that the Marketplace is available the long awaited DLC Omega of Mass Effect 3 . The expansion will cost 1200 MP and downloading is also accodabile from the web weighs 1.99 GB. The plot follows the story of comics Mass Effect: Invasion , and will see an uncomfortable Alliance between Shepard and T'pol Loak Air that becomes a deadly manhunt for Omega to snatch Cerberus.