In the midst of the Time War, Daleks and Time Lords bring to bear all the weapons they can find, unleashing untold devastation. But if just one of these infernal devices can provide an advantage—however small—that could mean victory. While the Daleks experiment with new ways of waging war, Cardinal Ollistra seeks out arcane and mysterious armaments of her own. And she will have the assistance of Gallifrey's greatest warrior—regardless of whether he is willing to help. As both sides think the unthinkable, the consequences for the universe could be catastrophic. But the Time War must be won, at any cost...