This is questionable because Kim Doo Han faced off against fighters who were very talented and one would think that he would have needed to receive training in martial arts to be able to stand a chance against such fighters.
This is questionable because Kim Doo Han faced off against fighters who were very talented; rivaling the physical abilities of some of the best known martial artists such as Bruce Lee. One would think he would have needed to receive training in martial arts to be able to stand a chance against such fighters.