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This alternate universe takes place in Gotham City, after the apparent deaths of Bruce Wayne and Police Commissioner James Gordon, which have led to a rise in crime in the city. So, it's up to the Dark Knight's protégés, Barbara Gordon (Batgirl), Dick Grayson (Nightwing), Jason Todd (Red Hood), and Tim Drake (Robin), to step up to help Gotham fight crime. Kurama arrives in Gotham after the defeat of the Crystal King.