The Amazonian casket has the potential to remake Earth-2 and end the years of struggle and survival, but is using it too great a risk? The Ultrahumanite doesn’t care. In a last stand, the heroes must stop him from using it to shape a new reality where he is in control—or annihilate Earth-2 entirely. Don’t miss this turning point in Earth-2 history!
— Description from Comic Vine community (comicvine.gamespot.com).
