A rogue faction of the U.S. government, backed by powerful international forces and led by the man known only as Bastion, is about to launch a massive strike against the X-Men. The strike has one goal: the extermination of the entire mutant race. This is the X-Men's darkest hour. COLLECTING: GENERATION X 26-31, X-FORCE 67-70, X-MEN 65-70, UNCANNY X-MEN 346, WOLVERINE 115-118, CABLE 45-47, X-MAN 30