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

Proceeding with the plan, as the battle tank stopped right at the entrance, Alina locked onto the beast from a 1000ft altitude and launched a hellfire missile.

As soon as the missile was launched, the manticore placed its attention on the vehicle.

"What is that?" It didn't know what the thing that was coming towards it. This was the first time the beast had witnessed such mysterious weapons and their attack.

Savage Baltrow couldn't also sense the power as it doesn't contain Ether energy or natural energy.

Unlike the fierce beasts, this beast king was highly intelligent, probably smarter than an average adventurer. It wasn't also highly proud of its strength because it already tasted the first hand of a human's strength.

Since these puppets managed to kill the subordinates, the beast king didn't underestimate the attack and flapped its wings.

Taming a Beast King (part-3)