Lord: Starting from Meeting the Holy Grail Knight

What is the nature of magic? Is it really a force? Can it push the piston to move or push the bullet out of the gun chamber? Assuming that magic really exists in a material world, what kind of changes can it bring to the world? In this world, swords and magic still dominate, and extraordinary knights gallop across the land. But the engineers of the empire were no longer satisfied with the efficiency of hydraulic machines, and a new era was coming. An engineering student from Blue Star accidentally traveled through time and became Tyrion, a 16-year-old boy living on the ice field. He almost froze to death. Fortunately, the intelligence system was awakened: [The Frostfang Clan Wolf Riders will launch a raid on the Sun Knights tonight. [An earthquake occurred in Jinsha River Valley, and a fine gold vein appeared. [The outer layer of Prison No. 7 Of the Imperial Tribunal is damaged, and the ancient beast ancestor is about to awaken] [The demonic tide of chaos will sweep across the world, and the end is coming. … While the nobles were still drunk and dreaming, Tyrion had turned the cold north into a paradise. The rune machinery roared, and the lights in the gun shop kept burning. Tyrion kicked the knight to the ground and loudly announced: The era of swords and blood is over, now is the era of iron and fire!