The devil gets his due as demon-powered super-villains wreak havoc in this 25th anniversary edition of the classic DC event by Mark Waid and Howard Porter!When the demon Neron boosts the powers of the DC Universe s villains, Earth s heroes struggle to save humanity! Neron makes DC s villains and heroes an offer they can t refuse, dangling serious power upgrades at the cost of their souls. Who will say yes? Who will say no? And will the DC Universe ever be the same? Underworld Unleashed: The 25th Anniversary Edition collects the main series by Mark Waid and Howard Porter, along with tie-ins expanding the world of the story. Collects The Unexpected #1, Underworld Unleashed #1-3, Underworld Unleashed: Abyss Hell s Sentinel #1, Underworld Unleashed: Apokolips Dark Uprising #1, Underworld Unleashed: Batman Devil s Asylum #1, and Underworld Unleashed: Patterns of Fear #1.