They were a legendary unit and the heaviest cavalry to be ever fielded by a Chinese polity. The 铁浮屠, or "Iron Buddha Cavalry" or 铁浮图 "Iron Pagoda Horsemen," were the elite unit of the Jurchen Jin 金 dynasty that was instrumental in the 30 year supremacy of the Jin State. Though they only served for no more than two decades, they were pivotal in no less than a dozen crucial battles and hundreds of skirmishes that secured the Jin realm.