The Divine Weapon

신기전

Also known as Singijeon, 神機箭（シンギジョン）, 神機箭 シンギジョン, 神機箭

“In 1448, Joseon invented a top secret weapon, singijoen.”

During the reign of King Sejong in the 15th century, the Joseon Dynasty was the embodiment of the perfect state. To the Ming China, the aspiring imperial power, Joseon presented an obstacle to territorial expansion. To protect themselves from war, King Sejong develops a secret weapon to defend their territory and take back their land and supremacy.