When Excalibur appears outside London on Christmas Eve, all the kings rush to claim it while our heroes defend the sword. But with Leir set free, chaos is the only thing that reigns! With Rose and Duncan in mortal peril and everything at stake, can journeys to hell, the Otherworld, and beyond finally set things right? New York Times Bestselling writer Kieron Gillen (The Wicked + The Divine, Star Wars), artist Russ Manning Award-Winning artist Dan Mora (Klaus), and colorist Tamra Bonvillain (The Red Mother) bring their fan favorite, critically acclaimed series to its stunning conclusion! Collects Once & Future #25-30.