The heroes of Krakoa are here to save the planet! Things might be complicated between the new mutant nation and the rest of the world, but to the X-Men, it's very simple -- you do what's right, you protect those who need protecting and you save the world we all share. Cyclops, Marvel Girl, Sunfire, Rogue, Wolverine, Synch and Polaris are the chosen champions of mutantkind, and they will not shrink from any battle. But as threats hurtle towards the Earth from all sides, these fearless X-Men fight a seemingly unstoppable wave of annihilation... and even greater dangers lurk in the darkness ready to strike!