Transmigration: I Have Storage Space in the Apocalypse - Chapter 689 - 685: Common Sense Refreshed Again

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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In the 21st century, she was the strongest bounty hunter who possessed supernatural powers and was proficient in brewing all types of potions. However, she becomes the first talentless child of a cultivating family when she transmigrates.

In a world filled with abilities and superpowers, Moby Kane, a 16-year-old boy, is an orphan who is living his life with a little too much optimism, trying his best to get by.

Due to him having no ability, he had been bullied and tortured every day. However, for some odd reason, he never complained and always stayed happy no matter what. It was almost unnatural.

On one cruel day of immense pain, he realized that the world is a brutal, unforgiving place, making him regain his lost senses.

In his moment of desperation, a miracle happened.

[ You have unlocked the Demon System ]

Now that Moby has the power to change his cruel destiny, how will he use it to get back at the world that wronged him on the road to becoming the demon lord...

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IMPORTANT MESSAGE TO NEW READERS! PLEASE READ!

My first few chapters' writing quality is very bad and lackluster but gets much better as the novel progresses!

Also, the first 5 chaps are kinda similar to vamp system but the story and settings differentiate after that into their own thing past that point! Hope you stick around! :)

Quick note! many people in the world are cruel and almost psychotic but there is a good narrative reason for that, it will be explained later on in the novel I promise! :D
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After graduating, Su Jing was met with rejection everywhere he went. Discouraged, he returned home to adjust his mood. He then discovered that his own backyard had become the Galactic Garbage Station. Every day, lots of tr*sh would suddenly appear – some were from Tomb of God, Battle Through the Heavens, Coiling Dragon, One Piece, Naruto, Bleach, X-Men, Captain America, Iron Man, and even from the Marvel Universe. As the owner of the garbage station, Su Jing had the duty to process all these tr*sh. In the beginning, he thought it would be a hard and unprofitable task. Afterwards, he discovered that this was actually the most beautiful and cushy job of his entire life.