Complex sentence: Kintaro is a tiger-striped Shokan (the same rac of Goro and Sheeva) who joins Kahn's forces in order to conquer Earthrealm debuted in "MKII" as the sub-boss from the game.
Split into simpler sentences: Kintaro is a tiger-striped Shokan (the same race as Goro and Sheeva) who joins Kahn's forces in order to conquer Earthrealm. He debuted in "MKII" as the sub-boss from the game.