Batman and Son Tim Drake was Robin. In that year, the miniseries "Infinite Crisis" was released. The series was a crossover event of all of the characters of the DC Universe, and had universe-changing consequences. At the end of the series, Batman decides that he needs to focus on keeping his family safe and close, so leaves Gotham City with Nightwing, Robin, and his butler Alfred Pennyworth for a year. After his return, he adopts Tim Drake, formally making him his son. Batman also had many interactions with the al Ghul family through the years. Early in their interactions it was established that
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