Start With Contracting Sprites - Chapter 450: 20 years “worth of skill in this one strike!

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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Alex was an ordinary person with the dream of one day being transmigrated to a magical world.

But what he didn't expect is that he would be transmigrated to a world much more than that, a world he knew very well, but instead of being given a system that would empower him, he was given a system that allowed him to make games, and the more people played, the more powers he would get.

Tony Stark: I hate this! I can do in real life everything this Watch Dogs guy does, but why can't I stop playing?

Hulk: HULK HATES DARK SOULS!!! HULK SMASH DARK SOUS ARRRHHHHGGG!!!

Nick Fury: If any agent can't complete the Hitman game by next week, that agent will be fired from the Shield!

A world of superheroes, but who controls everything is "only" a game developer.

After waking up, she came to the world of mortals cultivating immortals, and was reborn as Li Feiyu with the same name and surname.

Facing the predicament of having little life essence left and not knowing whether he has spiritual roots, relying on the ability to attribute all data, he embarks on the immortal journey of longevity and long-sightedness!

I once killed the Six Paths of the Demon Sect in Tiannan.

He also intimidated the heroes of the Star Palace in the Chaotic Star Sea.

He once forged the name of killing gods in the human world, and once let all races sing his real name in the spiritual world!

In the fairy world, I am the way of heaven!

In this life, I personally promote the three worlds of celebrities, spirits, and immortals!

Killing and setting fire, Li Feiyu, is here!

This book is also known as: “Li Feiyu’s Attribute Cultivation Life” “Li Feiyu is my good brother Han Li, and I can’t even add money! “

- Description from novelbuddy

Achieving the power to create virtual worlds.

To expand his world, he needs to devour other worlds.

As such, the world ushered in the most greedy, sly and terrifying existence in the world ——— The Gamer

- Description from Novelupdates