The Elder Scrolls V: Dawnguard is the first official add-on / DLC. Dawnguard revolves around an ancient prophecy predicted by an Elder Scroll. Foretelling the eternal obfuscation of the sun, the scroll gave instructions on how to perform a magic ritual with a mythic bow and a special blood sacrifice. A legion of vampires known as the Volkihar Clan, lead by Lord Harkon, seek to