The final chapter of 'JLA Omega' arrives as the World's Greatest Heroes and the Crime Syndicate struggle for survival. But the Syndicate's betrayal of their own pact results in a final, savage confrontation - and Ultraman does some betraying of his own! Can the JLA defeat Omega Man, the harbinger of death? Can they save the Crime Syndicate's world and the Tangent Universe? And in the midst of this war between good and evil, which side will Dark Supergirl choose?