his possession, Oracle travels to Hong Kong, hoping to steal them back by the means of an advanced supercomputer programmed to track the chunk of data left behind by Babbage. However, the Calculator discovers her attempts, swearing vengeance upon her. She manages to defeat Calculator, rendering the Anti-Life Equation's fragments useless. In 2009, the Batgirl comic book was relaunched with Stephanie Brown starring as the title character. Although Oracle initially tries to discourage Brown from crime-fighting, she eventually comes to accept her as Batgirl. She also mentors the Calculator's daughter, Wendy Harris, who was disabled following an attack at Titans Tower. Oracle later takes a job as an assistant professor at Gotham University. During the Green Lantern limited series Blackest Night, Hal Jordan crashes into the Bat-Signal after a fight with the Black Lantern Martian Manhunter. Oracle and Commissioner Gordon are both present. Origins & Omens hints towards an involvement in the storyline. After sending Green Lantern's intel to every superhero community across the planet of the Black Lanterns, the Gordons find themselves being attacked by the original Dark Knight's deceased rogue gallery members, who are all reanimated by the Black Lantern Corps. Oracle and her father are forced to fight for their lives as they witness the Black Lanterns massacring everyone on sight at Gotham Central. During the crisis, Oracle is rendered unconscious by an explosion and is possessed by Deadman, who uses Oracle's body to save Commissioner Gordon from the reanimated King Snake and the Trigger Twins. After being rescued by Batman, Robin, and Red Robin, the Gordons were attacked by Batman and Red Robin's parents with their saviors, the reanimated Graysons and the Drakes. While Grayson and Drake battle the Black Lanterns, Robin takes the Gordons to their underground base where Alfred tends her and her father's wounds. In Greg Rucka's Detective Comics #862, Barbara Gordon is approached by Huntress and Renee Montoya (the new Question) for help in tracking down a mysterious criminal who ordered a hit on them. Montoya is flabbergasted upon discovering that "Commissioner Gordon's daughter" is a superhero. In 2010, Birds of Prey was relaunched with Gail Simone returning to write the comic. The first arc is a tie-in with the Green Lantern Brightest Day limited series. Oracle reforms the Birds of Prey, this time with Dove and the recently resurrected Hawk as members. A new villainess calling herself the White Canary begins