The underworld rises in this E3 2012 trailer for the Dawnguard DLC for Elder Scrolls 5: Skyrim. Opening to the glowing eyes of a king who beckons us forward, he asks us, " To feast on the souls of the living?... Or are you with... the Dawnguard?"
No doubt the Skyrim Dawnguard DLC will be an epic battle of light versus dark as this evil king seeks to end the "tyranny" of the sun. But players won't be riding in on unicorns to the gates of the underworld; this Dawnguard trailer hints that players may be going undercover to penetrate the dark kingdom.
Although, a unicorn would make for a pretty cool mount.