Batman: City of Madness (Batman: City of Madness #3)

THE TERRIBLE ORIGIN OF THE GOTHAM BELOW IS REVEALED IN THE FINAL ISSUE OF THE COSMIC HORROR EPIC! The terrible origin of the Gotham Below - and of those responsible for protecting its maddening secrets - is revealed! Batman and Talon have fought their way through the underground city's nightmarish villains to rescue Jevony, but has the Batman Below already twisted his mind past the point of saving?