"Usurpers Merlyn and King Arthur are now in control of the Lunatic Citadel. Furies the size of Sentinels raze villages in the hunt for the 'witchbreed.' Cut off from Krakoa, Betsy Braddock is Otherworld's only hero-- and to save her people, Betsy must recruit a round table of her own, including Gambit and Rachel Summers! The Knights of X gather to rescue desperate mutants and restore the rightful order, but their quest is about to get so much bigger! Ten will set out, but not all will make it to the end. Can those who survive locate the holy grail of their species? And how is the fate of Otherworld tied to mutantkind's future?" -- Page [4] of cover.