Koryo is the first of the black belt forms practiced by 1st Dan and
above.
It has 30 movements and is the name of the ancient Korean dynasty (A.D
918 – 1392) in which the English word Korea was derived from.
This poomse is significant as it symbolizes the great fortitude
displayed by the people who were persistently defeating the
aggression of Mongolians who were sweeping Asia at the time.