MTL - Invincible Exchange System - Chapter 257 Have been promoted

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.
**************
You can also support the Author through Patreon

https://www.patreon.com/snowstar

[MATURE CONTENT WARNING: 18+ Only. Heavy Smuts, knotting, possessive themes, and dub-con.]“I knotted you thrice today, little liar. Tell me… is the game still worth it?”In the pro leagues, Omegas aren't allowed to play. But Kayden Vale entered the hockey world anyway, pretending to be an Alpha.Living on suppressants, he has one goal: Win the Cup. But he also has one massive problem: Rhys Calder.Rhys Calder is the Alpha Captain of the Nothern Avalanche. He hates Kayden for being “too pretty” for the ice.The world sees them as two Alphas always at each other’s throats, but they don’t see what happens when the lights go out.Behind locked doors, their hate turns into a different kind of heat. It was supposed to be simple: Teammates on ice, fuck buddies in the bedroom. No feelings. No strings attached.Rhys thought he was with a cocky Alpha. Then he found out the truth. Instead of turning Kayden in, he claimed him.What started as a physical release has twisted into dark obsession. Enemies to rivals-with-benefits to something far more dangerous: love.What happens when the world discovers their forbidden secret?#BL #Omegaverse #SportsRomance #RivalsToLovers #SecretIdentity #PossessiveAlpha #Smut #Hockey #ForcedProximity #EnemiesWithBenefits#Mpreg#Erotica

In a fantasy world ruled by kings and queens possessing great magical power, Kant Icurus Maybale is the only prince on the Aceaton Continent who does not possess magic. However, what he does possess, that nobody else does, is his past memories of the time when he was a Mechanical Engineer on Earth. With nothing but knowledge, brains, and wisdom, he dares to bring this medieval-esque fantasy world into the industrial era, and gain unimaginable wealth and power. Along the way, powerful forces that feel threatened by his rise in dominance will do whatever it takes to bring him down! Will he be able to conquer the continent, and potentially the world, to usher in a new age, or will he get crushed by the existing world order?

A young juvenile’s dantian was sealed since childhood. He can learn all elementary laws and master all martial art techniques. Various Kings strive to reach the heavens, new warlords rise together simultaneously, great races stand with thousands of numbers. From the moment that youth awakens, Everyone will shiver in his presence…….Humans unfair to ME, millions of corpses on the ground.