Stepmother: I Am Asked To Give A Kidney To My Half-Brother - Chapter 440 - Justice

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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This is an era of national miracles and national adventures.

A gray fog swept the world.

Ghosts, ghosts, ancient gods, extraordinary races, etc., are all over the gray fog.

There are dangers and miracles.

Some items and even creatures invaded by the power of gray fog are called miracles.

Some miracle items can generate ore every day, which is inexhaustible.

Some miracle items can make people stronger even if they lie still every day.

And some, it is possible to create extraordinary warriors in batches.

Bai Ye came through, with a golden finger that could see all the prompts, and got a fire source at the beginning…

- Description from novelbuddy

The trembling Hyuga Kuroto finally got the treasure that he dreamed of!

How exactly will the world of Naruto be perceived with his glowing Sky Blue Tenseigan Eyes.

I was the one who boosted your rank. Yet you stabbed me in the back? Fine. Goodbye. I’m taking it back. You’re finished now. Thanks to you, I now have an abundance of skill points for a prosperous hunter life. But… after spending some of those points, the S-Rank is starting to get obsessed with me…?