Mortal Kombat: Deception is a fighting game and the sixth main installment in the Mortal Kombat franchise and a sequel to 2002's Mortal Kombat: Deadly Alliance. Its story centers on the revival of the Dragon King Onaga, who attempts to conquer the realms featured in the series after defeating the sorcerers Quan Chi and Shang Tsung, the main antagonists in the previous game, and the Thunder God Raiden, defender of Earthrealm. The surviving warriors from the previous titles join forces to confront Onaga.