Batman and his team battle Nightmare Batman. Later, the Monitor arrives on the Gaslight world to investigate the Earth Engine. But in doing so, he accidentally unleashes a wave of madness that claims him too. And a mystery villain is revealed.
Batman and his team battle Nightmare Batman. Later, the Monitor arrives on the Gaslight world to investigate the Earth Engine. But in doing so, he accidentally unleashes a wave of madness that claims him too. And a mystery villain is revealed.