August 28th 2012 6:58 pm PT
Content: Mass Effect 3: Leviathan
Price: 800 Microsoft Points
Availability: Check availability in your Xbox LIVE region
Dash Text: Something lurks in the dark corners of space, something powerful enough to kill a Reaper. Shepard races to discover the most closely guarded secret in the galaxy before the Reapers silence it forever. Do you dare face the Leviathan?