Fantasy: Kill the Martial Saint with One Shot at the Beginning

A long, long time ago, there was a group of ancient people from another world who worked tirelessly to become gods, but there was an ordinary emperor who was different and did the opposite... While others practice, he mines, while others practice swords, he practices cannons. Under heavy gold there must be brave men, under heavy cannon there must be cowards. At the beginning, the artillery fire system is bound to the sky, killing the martial saint with one shot! An existence with explosive combat power from another world. One shot can bring peace to the world, and one shot can bring ghosts and gods to tears. He is known in the world as... The God of Guns. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.