Su Yuan transmigrated into an ancient martial-arts dynasty, and after surviving an assassination attempt, obtained the Myriad Heavens Military Talisman, which let him summon soldiers from across the myriad heavens once a week.
"Summoning successful: 100,000 Xiliang Iron Cavalry acquired!"
"Summoning successful: 50,000 Ghost Archers acquired!"
"Summoning successful: 10,000 Divine Machine Battalion soldiers acquired!"
From the start, Su Yuan slew the princess stepmother and sworn younger brother who had tried to kill him. Then he secured the frontier, seized the north, took the throne, overthrew the corrupt emperor, and brought the land under his rule!
With a million-strong army at his command, Su Yuan struck down gods and Buddhas alike!
So what if you're the emperor? So what if you're a martial-arts sect? Anyone who dares cross Su Yuan dies!
Years later, when the western nations across the sea sought to invade the East and assembled a fleet, they were astonished to find a host of enormous vessels waiting in their own waters.
Su Yuan: "Hello there. Do you like my carrier fleet?"
The above is the detailed synopsis. Here's the short version:
He knows no martial arts, yet he can still become the leader of the martial world;
He starts in a small city, yet still rises to become king of the world;
To find out what happens, head on over to the main story~
(Note: This book contains martial arts, dynastic power struggles, and other elements. Since it follows an invincible-protagonist style, some of the worldbuilding may not be entirely reasonable. I hope you'll bear with me and be understanding. Thank you.)