Tsuki ga Michibiku Isekai Douchuu - Chapter 380: The world tossed about

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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Under the vast immortal sky, the brilliance of an era is nothing but fireworks blooming at the fingertips.

Overlooking the earth, for thousands of years, life and death, where are they all? The Immortal Gate, the Dynasty, and the Supreme Holy Land are all just a handful of loess under the Immortal Vault.

A thousand years of splendor, and a smash into ashes.

Cinders sprout in the depths of the ruins, and you and I strive to be the trees that reach the sky.

What the hell is on the other side of the Immortal Firmament?

- Description from novelbuddy

This novel is also known as I Wanted To Be A Good Person Once

Travel to a dangerous world with all kinds of strange abilities, calamity creatures, and Noble Phantasms of doom.

Fang Ze just wanted to awaken his extraordinary abilities, be an ordinary detective, eat royal food, and live a good life.

But he found that he was involved in a huge conspiracy from the moment he crossed…

Strange abilities and treasures include: mushrooms that can be planted on the body to keep youth forever; clowns whose IQ decreases and strength increases every time a clone is divided; shabby statues that cause black rain in the region when they are born; Ancient coins that will be possessed; substitute earth spirits that can learn and exercise on behalf of the master, and double the effect, etc…

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There are already three copies of ten thousand orders and high-quality works, all of which are completed normally with several million words, and will be updated continuously during the update period. Character guarantee, read with confidence.

- Description from novelbuddy

Lugis is an adventurer who accompanies the Hero’s team party. However, every day he has to fulfill tasks that are not pleasant at all. In addition, he is oppressed by the other members of the group. The only reason he remains on this journey is because of his childhood friend, Ariane. But she is fascinated with the team leader known as Hero. One day a shadow figure appears and tell Lugis, “Let me give you a chance. A chance to redraw your life.” And so, Lugis is given the opportunity to be sent to the past to restart his life.