Snowstar

Mark is a genius military weapon designer who was kidnapped by a mafia gang after refusing to work for them.
They forced him to design unique weapons for five years, until one day he successfully escaped only to get shot by his trusted comrades.
*Ding! You awakened a weapon system.
When he opened his eyes, he was in a different body and in a different world.
"You want to kill a wild boar without being detected? Forget about bow and arrow. Here, I present you this sniper rifle."
"You want to kill a horde of goblins from the sky? Forget about those flying carpets and brooms. Here, I present you the fighter jet." 
"You want to kill a dragon? Forget about taking the help of the S-class adventure team. Here, I present you a nuclear bomb."
Join Mark Spencer/ Lu Zhen as he brings the whole world to its knees with the help of his weapon system.
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Note: Author isn't born in an English-speaking nation and has no editor either. So, please be understanding if there are any grammatical errors.
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Author's current works: War Online, My Soul Card is a Reaper
Author's other notable works:  The Last Slytherin, The Sharingan Hyuga
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You can also support the Author through Patreon or buy coffee on Ko-fi.com

https://www.patreon.com/snowstar

https://ko-fi.com/snowstar5061

Weapon seller in the world of magic

To the east of the Bloodhill forest, a 932,566 sq. km of area separates the Phoenix Empire in the south and the Leon Empire in the central region of the Eastern Continent.

This mountainous range at the equator was inhabited by one of the six intelligent humanoid creatures known as Dwarves. The other five are the elves, werewolves, vampires, dragons, and humans.

Hundreds of thousands of years ago, before the age of ether, back when humans were nothing but cavemen who are the bottom of the food chain, beasts would be seen everywhere on the midelleas (earth).

The dragons are the overlord of the world but they don't meddle with anyone unless they were hungry. The majority of the time, they will just sleep. But, when they wake up, they cause nothing but destruction. That's why ancients probably say, "Never tickle a sleeping dragon."

The vampire and werewolves were the mutated race, which evolved from primitive humans.

Nie Rougang at the Dwarven kingdom