Lost Scrolls of Rassilon

The Lost Scrolls of Rassilon was an ancient Gallifreyan artefact that Larna informed Ulysses, Penelope Gate and Mr Saldaamir would be instrumental in a single Time Lord's mission to lead Gallifrey from darkness. (PROSE: The Gallifrey Chronicles)

Behind the scenes

 * The Nth Doctor claims that one of the series proposals to follow TV: Doctor Who involved the Doctor searching for the scrolls to save Gallifrey from the Master.