The mystery of the Dark Sector begins to unravel. To rescue Kilowog and his squad of surviving Lanterns, John Stewart enters the realm of the Golden Centurions and their mysterious master, the Lightbringer. And on Oa, Jo Mullein's team closes in on those responsible for the destruction of the power battery. With trillions of lives in peril, John battles the godstorm and the challenge of its future states! Meanwhile, Jo solves the mystery of the Battery's destruction in time to see the rise of a new and ancient enemy. Is this the final end of Oa and the Green Lanterns? This volume collects Green Lantern #5-12 and Green Lantern 2021 Annual #1.