Iconic Batman artist Jock delivers a bare-knuckle brawl through the blacked-out streets of Gotham! Batman just has to get the dangerous electromagnetic super-villain E.M.P. across the city and into Blackgate Prison during a citywide power outage...but Gotham's gangs, and even a dangerous subset of its police, have very different plans for E.M.P.'s abilities! Collects the complete limited series Batman: One Dark Knight #1-3.