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

Due to the extreme speeds displayed by the divine throne which nearly threw off Sylvandria and she had to tightly grab Mark's arm to stay on it, both of them went past James and caught up with the mage.

When they caught up, Elowen was seen unconsciously suspended inside an energy bubble.

Upon seeing his back, Mark didn't waste time in unleashing the lightning bolt onto his head, not wanting to get fooled once again.

This time, he didn't fail. With a strike of lightning from the heavens, the mage was turned into ashes in a split second and an unconscious Elowen started falling down.

Mark controlled the carpet to increase its speed and Sylvandria caught the elven queen as well as Vexiron's staff in a jiffy.

Once she was caught, Mark finally paid attention to the notification on the holographic screen.

*Ding! You completed the Emergency Quest, Save your companion. The reward has been sent to the inventory.

Returning home and a piece of bad news