Dawnguard, the first official game add-on for The Elder Scrolls V: Skyrim, is available today for download in English language territories on Xbox LIVE for 1600 Microsoft Points.

The Vampire Lord Harkon has returned to power. 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 yourself become a Vampire Lord? Featuring an all new faction questline, new locations, weapons, creatures and more; the ultimate choice will be yours.

For more information on The Elder Scrolls V: Skyrim or Dawnguard, please visit www.elderscrolls.com.