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The roc spreads its wings and rides on the wind, soaring ninety thousand miles! It is Tang Xiaotian's dream to soar 90,000 miles into the blue sky and wear the golden helmet that symbolizes the highest honor of a pilot!

As the king of the arms empire, Tang Mo unexpectedly fell and traveled to a completely different world, where he unexpectedly obtained a king of arms system. In this backward world, Tang Mo relied on the abilities given to him by the system to promote the development of the entire world. After all, civilization's desire to conquer is the driving force for its progress. Life has been evolving between attack and defense for tens of millions of years... So, selling assault rifles to these archers and training knights into tankers... There is no problem, right?

A portal from another world suddenly appears, and humans who have just entered industrial civilization are faced with threats and challenges from other worlds. The expeditionary force that entered another world to explore encountered an attack by alien insect monsters, and newbies from the intelligence department were ordered to investigate. "Are you willing to live?" Tang Mo, who traveled through time and borrowed corpses to resurrect souls, discovered that he had the ability to resurrect others... Soldiers who could be resurrected infinitely could naturally fight for him without fear of death, so the fourth natural disaster spread in this world that he was unfamiliar with.

When the roaring Messerschmitt fighter jets rush towards the fluttering dragon; when the M-4 tanks face the beasts covered in armor; when the brave grenadiers raise their rifles against the magicians; when the giant ships line up on the coastline and raise their cannons and roar - the world changes in the hands of Chris who comes through time. The war between industrial technology and magic has broken out. Let's see how Chris becomes the world leader!