reunites with her old friend, Wukong. He promises to make her immortal after learning she will die when she turns 200 years old. The pair are attacked by Nezha, but is killed by the Bull Demon King. Wukong befriends the Demon King, who appeals to Wukong's ego and tempts him with Heaven's treasures, including immortality. Wukong journeys to Heaven and learn the secret to immortality. The Demon King and Erlang conspire further, revealing that if Wukong consumes the Emperor's elixir, it will increase his power. Erlang tries to convince the Jade Emperor that Wukong is a demon but Subhuti intervenes, explaining Wukong is not evil. Wukong meets the Emperor, and is given a position caring for the stables. Princess Iron Fan learns of the Demon King's plan, who justifies his attack as destiny. Wukong comes across a large kiln. Erlang, disguised as a maiden, tempts him by revealing that the Emperor's elixir is made there. Wukong is restrained by Subhuti and told to leave but Erlang challenges him to take the Elixir. Wukong consumes the elixir and battles Erlang until he flees. Ashamed, Wukong leaves Heaven and returns to find Mount Huaguo destroyed and all his friends dead, including Ruxue who has a dark substance around her neck. Enraged, Wukong returns to Heaven after the Bull Demon King convinces him that they were responsible. Wukong attacks Heaven's armies and the Emperor. Suhuti battles the Demon King but is defeated. Wukong notices the Demon King conjure the same dark substance he found on Ruxue and realizes he was the one that killed his friends. Wukong attacks the Demon King but is defeated. Through a vision, the goddess Guan Yin helps Wukong realize his mistakes. The Demon King defeats the Emperor and kills Erlang, taking the throne. Wukong battles the Demon King once more, sending him crashing to Earth. Later, Princess Iron Fan gives birth to Red Boy. They find the Bull Demon King who, having lost all his power, has been turned into a regular bull. Iron Fan explains that this is the fate of evil men but continues to care for the bull, regardless. Wukong wishes to help the Emperor rebuild Heaven, but he is stopped by Buddha. Buddha reveals that Wukong's chance for atonement will arrive in 500 years, but must sleep inside Buddha's hand-turned-mountain until then. Wukong agrees and is sealed by Buddha. 500 years later, Tang Sanzang