In the fifth year of Yongjia in the Western Jin Dynasty, the Huns' cavalry crushed Luoyang. Huan Rong, the son of an arsenal official, survived with the blood-stained secret map of the equipment, but fell into the hell on earth: the bones of refugees, the Jie slave camp, and in front of the Xianbei tent. His exquisite smelting skills became the only survival blade in troubled times. From Luoyang fireworks to Yecheng Palace, from Murong Iron Cavalry to Feishui battlefield, he was forced to temper in the furnace of Hu-Han fission - is technology an accomplice to massacre, or the fire of redemption?
Seventy years have been turbulent, and the fate of three generations has been ups and downs.
Intention: Seventy years of turbulent times have brought the fate of three generations ups and downs.