After Gotham is evacuated, Bruce decides to stay behind and help Gordon fight the criminals who have taken over the city. Months later, Bruce is shown to be helping Gordon provide the people of the Narrows with food, shelter and medicine. He also uses herbs reluctantly supplied by Ivy to help Selina regain the ability to walk. When Selina goes after Jeremiah looking for revenge, he tries to stop her, but is unable to prevent her from stabbing and seemingly killing Jeremiah. She tearfully confesses to him that she saw his parents die and did nothing, and rejects his attempts to comfort her. Meanwhile, Jeremiah, who has become obsessed with Bruce, kidnaps him and tries to convince him of his plan to recreate the night that Bruce's parents were murdered. When Bruce refuses and sees the ruse, Jeremiah blows up Wayne Manor. Jeremiah then flees to Ace Chemicals, and in the ensuing struggle with Bruce falls into a vat of toxic waste. Soon afterward, Ivy uses her plant toxins to hypnotize Bruce and get him to poison Gotham's water supply. Selina manages to snap him out of it, and they defeat Ivy with help from Fox. Later, Bruce and Selina attend the wedding of Gordon and Leslie Thompkins (Morena Baccarin), and share a passionate kiss. Theresa Walker (Jaime Murray), the government operative who has been overseeing Gotham's reconstruction, reveals her true identity as Nyssa al Ghul, Ra's al Ghul's daughter, and pledges to avenge her father's death by killing Bruce. With help from Selina and Gordon, Bruce defeats Nyssa, but at a cost: Nyssa's henchman Bane (Shane West) severely injures Alfred. Bruce blames himself, and leaves Gotham so no one else he loves will be hurt. Before he leaves, he tells Alfred that he will be gone a long time, but that he will return once he is able to protect Gotham. Bruce decides to start his training for his war on crime. In the series finale ten years later, Bruce returns to Gotham, which has flourished with Gordon as Commissioner of the GCPD, to celebrate the opening of the new Wayne Tower. At the same time, a mysterious vigilante in a bat-like costume begins apprehending Gotham's wanted criminals, including Cobblepot, Edward Nygma (Cory Michael Smith), and a returned Jeremiah Valeska. This mysterious figure, whom Lucius and Alfred know is Bruce, also has a run-in with Selina (Lili Simmons), who has become a cat burglar, and has a quietly emotional exchange with her while concealed in the shadows.