MTL - Douluo Dalu 4: Ultimate Fighting - Chapter 1569 Quietly swallowed

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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If you transmigrate into a cultivation novel, you absolutely have to fight over opportunities with the protagonist! I can’t be Long Aotian, but I can be the female version of him!

Unfortunately, as beautiful of a thought that was, our protagonist was still killed off as a boss by the male lead! Luckily, she reincarnated again and returned to when the male lead was a child! Seeing the little thing, bone thin with a vague hint of domineering flashing on his face, she had two choices:

1. Kill him. See how he’s going to be so overpowered when he’s dead!

2. Take care of him and honorably ask for something in return in the future!

Thinking of the treasures only the male lead could get to, the money crazy her chose to take care of him.

But who would have known that she would accidentally raise this cute and upright little boy into a black-bellied wolf! After he grew up, he used his treasures to seduce her!

“Master, do you want it? Then why don’t you dual cultivate with your disciple?”

Master with tears streaming down her face: If I had known I could get treasures with s*x appeal, why would I have been a boss in my last life!

- Description from Novelupdates

He didn’t want any part of it.He wanted to be independent.He didn’t want to become a side character in the story of some so-called protagonist.Yet, Mo Zhiran couldn’t run.Heaven wouldn’t let him, for he was an extra destined to die for the rise of the protagonist.An expendable nobody, unnoticed and forgotten.In the end, Mo Zhiran was betrayed by his own clan brother just to save a girl who appeared out of nowhere. Worse, before his inevitable death, he even had to block the danger for that same brother, unwillingly.He was basically a Redshirt.“Haha… Heaven is so unfair.”Zhiran hated them both to the core. If he got another chance, he swore he would make them pay a hundredfold for every drop of blood he spilled.And fortunately, he did.Reborn with an unusual system in hand, Mo Zhiran would no longer be a disposable extra.This time, he would carve his own path, one step at a time.Even if it meant being forced to be a Villain.

Who could have guessed that the accidental discovery of a pitch-black USB drive would one day turn Chen Chen’s world upside down?