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

Name: Radically Invasive Projectile (R.I.P.) 9mm ammo

Description: A hollow point type bullet that divides into eight fragments upon the point of impact, penetrates the target and causes damage at different places at once. Like the other ammo, the bullet inside the case is also made of tungsten.

"System, just where do you get so much of tungsten? Did you own several mines or something?" Mark joked around while checking out the details of this new bullet, which can be used in his basic handguns.

*Ding! The host doesn't need to know. If interested, please upgrade the system to get the answers.

"Sassy systems aren't loved by protagonists you know…" Mark let out a comment and returned to the battle tank.

Dungeon of Taslan (part-9)