The Doctor Traveled to Ancient Times and Reduced Dimensionality to Attack

In the bitter cold land of the Northern Wilderness, the exiled prisoner Xiao Chen refined the peerless steel in the Iron Fire Castle and created an astonishingly powerful steel crossbow that shocked both the government and the public. The imperial court sent troops to encircle and suppress the enemy, but they were repeatedly frustrated, and finally decided to "recruit peace". The imperial court, which had a hatred of exterminating the family in the past, decided to "submit" to the abandoned son of the family. What kind of sparks will emerge under the impact of modern civilization under the impact of modern civilization... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.