Sis-Con With Dimensional Chat Group - Chapter 2083: Maid And Teacher

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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Read the Tags----A guy dies and is asked by the trouble maker ROB to choose one orb that will decide his fate, the guy in spite to the ROB takes two orbs, and after a series of cause effects he gets reincarnated into a solo leveling alternative reality three years before Sung Drip Woo gets his system.Oh yeah, Adam has a better version of the Nano Machines.What will he do? well, come to read!----This is a rewrite of the original story, i decided to do it after revising the chapters and reading the comments of the readers.This made me understand my mistakes and how i should have written this story.How i should have used the nano machines as well how Adam should have behaved with his decisions.So i decided to make a What If that is praticaly i trial to see if i understood the feedbacks and managed to raise the quality of the novel.The first 4 chapters are identical from the original and it's from the 5th chapter where Adam takes the money for reporting the portal that things change.But i suggest you all to reread the first 4 since you don't lose anything.This time i will take a different way.I owe you all this as an apology and a promise to write a good work.Thank you for your patience.

Kang Min-hyuk, the loser of the checkpoint, gained a high-level magical civilization and everything changed.

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?