An old enemy returns to confront the X-Men – Powerlord Kruun from the Breakworld is back! Colossus faces the legacy of his past actions as the warrior alien arrives on Utopia Island!
Also: the world discovers that Magneto has joined the X-Men!
Includes material reprinted from Uncanny X-Men #534.1 and 535-536.
— Description from Comic Vine community (comicvine.gamespot.com).
