Batman: The Ultimate Evil themes concerning child sexual abuse and explored the topic of child sex tourism. The publisher required Vachss to follow certain rules, like making a clear distinction between fiction and reality and prohibiting the Batman character from killing, cursing, or having sex. In the story, billionaire Bruce Wayne, who as a child witnessed the murder of his parents Thomas and Martha, encounters the social worker Debra Kane, who takes Wayne to check up on her clients: he sees clear cases of child abuse and brave but futile resistance to it. Wayne's loyal butler, Alfred Pennyworth, gives him the secret files from
Batman: Arkham VR butler Alfred that there is an urgent situation that requires his attention. Activating a secret entrance to the Batcave beneath his manor, Wayne puts on his Batsuit and gadgets to become Batman. In the Batcave, Alfred informs Batman that both Robin and Nightwing have disappeared and he has been unable to contact them. Batman activates Nightwing's tracker and locates him in Central Gotham. Heading out in the Batmobile, Batman arrives to find Nightwing dead in an alley. His investigation reveals that despite his nearly unrivaled training and skills, Nightwing was defeated in combat and had his neck snapped. His investigation