He pillaged the Tatars in retaliation of Ambaghai and his own brother, Ökin Barkak's kidnapping and execution, along with his nephews Qadaan Taishi and Yesugei.
Despite the fact that the Mongols thirteen times clashed with the Tatar leaders Qoton Baraq and Jali Buqa, they did not manage to achieve a decisive advantage.
He was ambushed after returning from his raid by Dörben tribe and was assumed dead by Yesugei and his kinsmen.
According to The Secret History of the Mongols, Altan denied requests for succeeding his father and submitted to Genghis Khan.
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