On Negative Earth-52, Bruce Wayne lost the whole Bat-Family: Dick Grayson, Jason Todd, Tim Drake, and Damien Wayne. All the Robins, so Bruce decided to hunt down Barry Allen (The Flash) and steal the Flash's speed by driving both him and the Flash right into the speed force in the Batmobile. The two were merged into one being, one body, Barry Allen is nothing more than a voice in the back of Bruce Wayne's head. Bruce Wayne, now with the powers of the Flash, Bruce tries to fix his mistakes, but things don't go his way...