Following up on a news post we made yesterday, Bethesda’s first expansion to last year’s phenomenal Skyrim, Dawnguard is now available on Xbox live marketplace.

Priced at $20 the expansion deals with a cult of vampires and the ancient order who are determined to destroy them. Which side will you take – become a creature of the night or drive the stake through their hearts?

Check out the official description after the jump, will have more about Dawnguard once the sun sets and we can venture out into the night.Content: The Elder Scrolls V: Skyrim: Dawnguard
Price: 1600 Microsoft Points
Availability: Check availability in your Xbox LIVE region
Dash Text: Dawnguard™ is the first official game add-on for The Elder Scrolls V: Skyrim® – the 2011 Game of the Year. The Vampire Lord Harkon has returned to power. By using the Elder Scrolls, he seeks to do the unthinkable – to end the sun itself. Will you join the ancient order of the Dawnguard and stop him? Or will you become a Vampire Lord yourself? Featuring an all new faction questline and locations, the ultimate choice will be yours.

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