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Personality and appearance

According to Giovanni da Pian del Carpine, Batu was "kind enough to his own people, but he is greatly feared by them. He is, however, most cruel in fight; he is very shrewd and extremely crafty in warfare, for he has been waging war for a long time." He received the nickname of сайн (lit. ' good '), by which he was referred to by Marco Polo. William of Rubruck described him as about the height of his lord John de Beaumont and as having his entire face covered with reddish spots.