본문/내용
the King Sejong’s secret weapon (The Divine Weapon). Choson’s secret China was afraid of, which could chang the history.
In 1448, the Imperial house of China, Ming was afraid of the invention of Choson’s new firearms and attacked the firearm laboratory. Hae-san got his daughter ‘Hong-li’ escape with ‘Chong-tong-deung-rok’ which is the book that includes all about the invention of Sin-gi-jeon(the firearm) and exploded himself with Sin-gi-jeon that was almost done with its invention. The plan fai