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

Shang Jiao continued to defend her brother while blaming others, "Look at our own family. My father cannot offend Mr. Lu because he was blinded by the benefits. Your father cannot support Sister Yue who is also like a daughter to him, all because he wants to keep the relationship with the Song Clan.

But, Mr. Lu will go to any lengths for his people without caring about benefits. He leveled down the Sui Clan mansion because one of those elders insulted that foreigner named Alina.

I don't like it because I, my friends, and my family members faced the brunt of his actions but I do admire that quality of his. I wish my father would be the same."

Lin Xue was taken aback by Shang Jiao's response. She didn't expect this spoiled princess of all the people would defend a devil-like Lu Zhen. It has only been a day since she started working and she has already switched the sides?

The retired leader of Song Clan