INSIDE THE ASTRAL PLANE! ARMOR'S SOUL IS ON THE LINE!
The Children of the Atom's sinister plot leads to the Astral Plane!
The X-Men have journeyed there, but that's only the beginning!
What horrors await in the climactic finale of volume 3 of ULTIMATE X-MEN?
— Description from Comic Vine community (comicvine.gamespot.com).
