"The Parliament of Life" concludes-as the world burns! The villain at the dark heart of the war between the parliaments stands revealed as Anton Arcane! Zatanna lies wounded, her destiny now in jeopardy. Doctor Fate, Wonder Woman, and Animal Man must form an uneasy alliance with Abigail Arcane and the Floronic Man to protect humanity's fate. Betrayals and twists abound, with repercussions for the very future of the Justice League Dark!

At last, Justice League Dark's mission reaches the moment fans have been waiting for: their descent into the Other Place, as a reborn Swamp Thing, Wonder Woman, and Zatanna sharpen their swords and spells to battle the Upside Down Man. But Zatanna has more than just cards up her sleeve. The team discovers her burning secret, while Detective Chimp must come to terms with his own role within Team Dark.