Kushluk (or Kuclug) was a Naiman prince and a rival of Genghis Khan who later joined the Kara-Khitai, represented by the Mongols. He was best known for usurping the throne of Kara-Khitai from his father-in-law, but later defeated by Genghis Khan's forces and was beheaded.

In Age of Empires II, he is the main antagonist of the second scenario of the Genghis Khan campaign, and the player must kill him to win the game. He is also available in the Scenario Editor.

He is portrayed in-game by a Cavalier but has superior stats and has his own unique icon. As a hero, he cannot be converted and can regenerate health (since The Conquerors). Technologies that benefit cavalry also benefit Kushluk but he is not affected by other bonuses.

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