himself and merges Earthrealm with Outworld. He also sends extermination squads to kill Raiden's chosen few who were protected from this fate. Eventually, Liu Kang defeats the Kahn a second time, forcing him and his Outworld armies to retreat; restoring Earth and Edenia to normal. After being absent from Mortal Kombat 4, Shao Kahn has a brief cameo in Mortal Kombat: Deadly Alliance. The Emperor, weakened from battle with Edenia and abandoned by many of his soldiers, is killed by the titular Alliance of Shang Tsung and the sorcerer Quan Chi. Shao Kahn also makes a playable appearance in the GameCube version of Mortal Kombat: Deception, where it is revealed that the Deadly Alliance killed a decoy of the emperor as the real Shao Kahn had set out to reclaim his empire from the resurrected dragon king Onaga. In Mortal Kombat: Armageddon, Shao Kahn returned as a playable character. In the game's story, he reclaimed his title as ruler of Outworld following Onaga's defeat. He later forms an uneasy alliance with Quan Chi, Shang Tsung, and Onaga to defeat the elemental Blaze so they can seize his godlike powers. Shao Kahn and Darkseid are the key villains in the 2008 crossover game Mortal Kombat vs. DC Universe, though both are playable characters. In the game's plot, a defeated Shao Kahn meets with his secret ally, Quan Chi. They are confronted by Raiden, who knocks him into Quan Chi’s portal. This event, along with a parallel one between Superman and Darkseid in the DC Universe, results in the creation of Dark Kahn, who serves as the main antagonist of the game. After Dark Kahn is defeated, Shao Kahn ends up in Darkseid's throne room, where he discovers he has lost his powers before being imprisoned in the Phantom Zone. However, his powers soon came back and he was able to free himself along with everyone else in the Phantom Zone; who pledged their allegiance to him in return. In the 2011 Mortal Kombat reboot, which retells the continuity of the first three games, Shao Kahn is once again the main villain and final boss of the game's arcade ladder and story mode. Shao Kahn kills Raiden after acquiring Blaze's powers, but Raiden is able to send prophetic messages to his past self. As Shao Kahn invades Earthrealm, Raiden chooses not to intervene until the Elder Gods, enraged by the former's violation