"The Darkseid War" event rages on as Batman takes a dark journey into the depths of Godhood and unlocks the forbidden knowledge of the DC universe! Meanwhile, arch-enemies Superman and Lex Luthor must stand together in order to survive, and Wonder Woman leads the Justice League in an offensive against the Anti-Monitor and Darkseid! But what is Grail's true mission during this war—and what is the secret she holds over Wonder Woman?

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