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.
***
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.
**************
Author's current works: War Online, My Soul Card is a Reaper
Author's other notable works:  The Last Slytherin, The Sharingan Hyuga
**************
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

Roughly half a minute ago;

Due to uninteresting items being popped up in the auction which didn't grab the attention of the biggies, Mark also lost his interest a while ago and just became busier in conversing with Song Yue.

They were currently talking about the wedding plans, and Xin Rui's announcement of the mystery box briefly stole the attention of Mark.

It was the second mystery box that was brought up in this auction. The first one only contained a bunch of intermediate-grade augmentation pills that will temporarily raise the cultivation level of the users by 1 realm as long as they are below the 7-circle realm.

Hence, he didn't have much expectation at first.

But then, as he inspected the item using Eyes of God skill, he instantly halted his conversation with his fiancée and focused on the seemingly ordinary-looking wooden box.

Description: Contains the flag of Huangdi

The Grand Auction (part-4)