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

Until a while ago, everything was fine between Shen Ling and Song Yue. They were chatting about various things, although it was mostly Shen Ling trying to probe into Song Yue's personality by asking her opinions regarding various events.

And once she had a fair understanding, Shen Ling slowly opened the topic of Mark's second marriage, changing the atmosphere in the room, all of a sudden.

"Princess Shen, why are you asking about my opinion about sharing Lu Zhen with another woman? What are you implying? Please be clear." Song Yue furrowed her brows as she confronted Shen Ling. If it is Lin Xue who was talking about the matter with Song Yue, the latter would have taken it as a joke. However, the fact that it comes from a stranger she met for the first time makes it a matter to think seriously.

Shen Ling's goal