Alternative story with the universe. Russia on the eve of the Mongol invasion.... The ultimate goal was clear to him from his very appearance in the 13th century. It was for this purpose that the Lord sent him to the body of Prince Yuri Vsevolodovich. By 1230, it is necessary, blood from the nose, to unite all Russian principalities under their autocratic power. He had practical experience in this matter. And the three-century experience of his ancestors, starting with Yuri Dolgoruky, was familiar to him. And in 1237, meet the Mongols at the head of a mighty army, organized on the model of the armies of the 16th century, with powerful artillery and inflict a crushing defeat on the Horde. Destroy the entire Mongolian army and all its leadership in the person of the Genghis princes.