The Tumens of Buri, Burundai and Kadan are broken and scattered, Pronsk and Izheslavets survived several assaults and survived thanks to the dedication of the Russians and the ingenuity of Yegor! But the four tumens of Batu Khan have already laid siege to Ryazan, Chinese engineers are already building manzhanik trebuchets and vortex catapults for a decisive assault on the city... And three tumens of the best Mongolian commander Subedei are rushing to Pereyaslavl-Ryazansky across the ice of the Oka River! They are rushing to meet the army of the great Vladimir principality, coming from Kolomna to help the Ryazan people...