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

https://www.patreon.com/snowstar

Weapon seller in the world of magic

1st-floor residence, Genesis Weapon Store;

Mark was waiting in the living room for the ladies to come out of their rooms.

Looking at the clock on the wall, he mumbled, "It's almost 11 o'clock. How long they will take? The guests must have already started arriving. I could understand Song Yue is taking time but even Alina too? Ugh… Should I just go to the venue and meet with the guests? Both of them can turn up together at the time of the auction.

But then again, only Lan Jing and Shen Niu matter to him. After all, they are the only ones that can force Shang Fu to spend more money. Anyway, let's ask Allen if they arrived or not."

As soon as he asked Allen through the system, the Android sent the reply.

*Ding! Allen reports that only representatives of the Eastern Sun kingdom are here.

Mark sighed in relief upon learning that the first step of his plan became successful.

Expo 1783 (part-3)