Genghis Kahn and his Mongolian hordes swept through Asia, slaughtering and conquering a huge part of the world. No army could stand in their way. By the time their conquests had ended, they had wiped out a tenth of the world’s population.
It took an intense and brutal army to pull it off. Fighters in the Mongolian army did not have the option to be weak. Life, in a Mongolian horde, meant giving up even the most basic of comforts and doing some absolutely horrifying things.