Numbers x Casket - Chapter 12: Purple

The war of gods left the earth no winners, but a broken world.

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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A second or third story of a great power who has no choice but to go to a high-level small world to cultivate immortals! !

In men’s clothing, she attracts people, but she is helpless and emotionally flirtatious. Faced with the hints and expresses of many beauties in the cultivation world, she doesn’t understand, so a misunderstanding suddenly arises, and she is added to the list of the most handsome young men in the cultivation world.

Harmless, cheerful, with a male protagonist, women disguised as men, strong women and strong men

Welcome to the newly opened female disguised as a man’s work “This Daoist is too serious”

- Description from novelbuddy