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

"The seed of fire was born, huh." Mark read the letter sent by the Imperial Palace.

As per the letter, he was instructed to arrive at the Imperial Palace by noon. From there, he will be teleported directly to the location.

The Imperial Palace's 100 million gold coins worth deal will only come into effect when he successfully snatches the fire seed and hands it over to the Emperor.

Once the fire seed is claimed by the Imperial Palace, the contract will come into the effect, and within three years, the Imperial Palace will make sure the overall contract order reaches 100 million gold coins.

Of course, Mark didn't have such great patience to look through the deal for 3 whole years. That's why the monthly guarantees were included in the contract, according to which, the order from the Imperial Palace will be atleast 2 million gold coins per month. The representative was chosen to be the Second Prince and every order will be given in his name.

Mark pays a visit to Lan Ju