of the Justice League and Teen Titans to take a stand against Nekron, who is responsible for the Black Lanterns. Despite being resurrected, Bart's previous status as a deceased still allows one of the undead lord's black rings to transform him into a Black Lantern. After his grandfather is chosen as a Blue Lantern by Ganthet of the Guardians of the Universe and leader of the Blue Lantern Corps, Bart immediately engages in battle with him. Barry's blue power ring detects that Bart is still alive, but will die if he is not freed from the black ring soon. Barry nearly releases Bart from the black ring using blue energy constructs crafted in the images of Bart as Impulse and Kid Flash, before interference by Black Lantern versions of Professor Zoom and Solovar stops him. Wally and Blue Lantern Saint Walker join Barry to fight against them. Bart attempts to use his speed powers to kill Wally, only to be temporarily returned to normal. Realizing that their mutual connection to the Speed Force can save Bart, Barry uses his powers to break the ring's connection, freeing him. Return to Titans Sometime after Blackest Night, Bart and Conner are recruited by Cyborg to help rescue a current Titan by the name of Static, who had been kidnapped while visiting his hometown of Dakota. The three heroes arrive at the scene of a battle between the Teen Titans and a superhuman gangster named Holocaust, and intervene just as he is about to finish off their comrades. Bart and Conner then comment that it's time for them to come out of "retirement" and rejoin the Teen Titans. Holocaust simply laughs and tells them to bring it, and Bart responds by saying "We were hoping you'd say that". After a lengthy battle, Bart deals the finishing blow to the villain by running around him fast enough to open a vacuum which sucks him into the Earth's inner core. At the behest of Tim Drake, Bart travels to Gotham City and saves Selina Kyle from members of the League of Assassins while she is sleeping in her apartment. After knocking out the would-be killers, Bart remarks to Tim over the radio that Selina is "super-fine", and that this may be the best day of his life. Shortly after settling back in Titans Tower, Bart reveals to Conner that during his brief stay in the future,