Mass Effect 3 trailer shows off 'Leviathan'

Mass Effect 3's first non-ending-fixing single-player downloadable content is due next week, titled Leviathan. It focuses on a new kind of creature, one just as old as the Reapers. BioWare has released a new cinematic trailer to get your blood pumping for more of the game.

As previously reported, completing Leviathan will add some dialogue options to the contentious ending of the game, and give more detail on the history of the Reapers. You'll also get an AT-12 Raider Shotgun and M-55 Argus Assault Rifle out of the deal. The DLC is due August 28.

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