MTL - My Cold and Beautiful Wife - Chapter 4248 Take back

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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A muffled murmur sounded softly,

Crazy goblins ravage the village,

Mutated beasts roam the fields,

The ancient old gods are gradually awakening,

Just when the darkness is about to engulf the entire continent,

A brave man from another world quietly appeared,

This may be the darkest hour before dawn.

Human: “The savior has come?”

Monster: “Have new food arrived?”

Till the fame of the brave spread far and wide,

Walking through every corner of the continent,

He/she/they know,

What is the real darkest hour.

The monsters and humans said in unison:

“I beg you to be human, the ancient gods were so scared that they went back to sleep.”

- Description from novelbuddy

For more than a decade, she disguised herself as a weakling while preyed on the strong – Qiao Qing had never viewed reputation as an important matter.But people began to take advantage and purposely hurt the ones she cared about.Qiao Qing then decided to stop hiding her real self.An incapable good-for-nothing? Her natural genius IQ can explode your eyeballs!A lowly commoner? Her real identity made her someone who you are not worthy enough to be friends with!A feeble chick? Her skills in ancient martial art can result in you looking for your teeth all over the ground!A godly student, a godly Go player, a godly night rider, a godly martial artist… as her real identity revealed little by little, all those snobs who once viewed her poorly began to switch sides and attempted to please her.Qiao Qing shut the front door. No guests welcomed.She blocked those who wanted her for their own selfish demands, but she couldn’t stop this one evildoer from approaching her.Just like that, climbing over the walls and entering through the window became Jun Yexuan’s specialty.As the President of the Jun Corporation, he had enough to protect Qiao Qing her entire life.But what bothered him was that Qiao Qing was far too independent and far too capable. Without any of his help, she was able to successfully handle everything.Jun Yexuan became moody – he felt like he wasn’t needed!So, on a random day, a cry for help appeared on Weibo, “What do I do when the wife is too capable? Waiting for immediate responses – it’s urgent.”

She and the blind date met man get married soon. She did not expect that the "ordinary" new husband turned out to be the CEO of the company she worked for.