>>12880358The Vikings, much like the medieval knights who actually fought the mongols, outclassed them in every single way except for strategy. It is for this reason the mongols would win.
However, the Mongols did suffer many defeats at the hands of medieval knights from Germany, Hungary, and Poland. Though the mongols also had many wins. It may be said however that they found an immovable object once they found the borders of The Holy Roman Empire.