Green Arrow, Nightwing, Robin, Harley Quinn, and Mr. Terrific battle altered Gotham villains to get to the center of the transformed Gotham where they find the Batman Who Laughs and Dark Robin, who have created a metal machine which draws on the life forces of the captured Teen Titans and Suicide Squad in order to transport Earth to the Dark Multiverse. After a momentary victory by the heroes, the Batman Who Laughs summons the other Dark Knights to his side. Doctor Fate arrives to help the heroes escape, but they are forced to abandon the captured Titans and Suicide Squad.