Bioware has just announced that the next single player DLC for Mass Effect 3 called Leviathan will be released on August 28th 2012 for the PS3, Xbox 360 and PC. Those with a PS3 in Europe will have to wait an extra day for the release.Cost is $10 or 800 Microsoft points. 

The DLC takes place during the events of Mass Effect 3, players will hunt down a rumored powerful being who is strong enough to take down a reaper.  Racing against time, you will come to understand the secrets of the Leviathan. Below is a quote from the Bioware Blog.

“Something lurks in the dark corners of space, something powerful enough to kill a Reaper. Shepard must discover the most closely guarded secret in the galaxy before the Reapers silence it forever. Discover more about the origins of the Reapers as you race across the galaxy to find the Leviathan. Unravel the dark history of the Reaper Race before it is too late. Coming later this summer there is no war, only the harvest.”