Transmigrated As A Villain, The Heroines Are Also Regressors? - Chapter 6: Disaster (1)

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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Crossers invaded the world and thrust Humanity into an interworld conflict.Humanity's instinct for survival was stimulated—rekindling the ancestral bloodline's legacy that lies dormant within them. Vampires, Elves, and even Demons were not mere figures of fantasy, but rather the true ancestors of Humanity in ages past.Thus, Hybrids were reintroduced to the world.Lucivar Asarafall, a man of humble origin—failed to awaken his bloodline. Despite his good deeds, his family loathed him. In his final trial, he swore to succeed but fate intervened, he was chosen as the monthly sacrifice for his city.In a near-death experience, his bloodline awakened, an Angel.A turning point in his life, but soon he realized that he was not the Angel he thought to be.In a world where the rulers were descendants of Dracula, the Dark Prince—or Chi Long, the Inferno King, the bloodline of malevolent beings from realms beyond mortal comprehension coursed through Lucivar's veins.While others became Hybrids, Lucivar became the messenger of Evil Gods, a False Angel.“Who cares about good or evil? If I kill someone wicked, it's a win, one less rival in my way. If I kill someone noble, it is still a win—the world would've consumed them sooner or later. So why not let it happen by my hand? After all, I'm more practical. I became stronger and you get a painless death, win-win”———Very manipulative and unhinged MC, be warned. He's a slave to the Evil Gods.A trickster God.An arrogant God.A chaotic God.A wrathful God.A puritanical God.Read to find who these Gods are!———

After getting hit by a truck meant for someone else, Nico is compensated by transmigrating into the body of the illegitimate and only son of billionaire, Logan Voss.To keep this new life, he's given a single mission. Climb over his seven step sisters and inherit his father's wealth.So, why in the heavens does this involve collecting the stamps of 99 different ladies?[Ding! 10x cashback system activated.][Ding! Stamp holder detected.][Collect stamp to gain 10 times the stamp holder's wealth.]“Fun isn't something one considers when trying to save his own life. But this does put a smile on my face.”

It was an enormous tsunami that completely covered the sky, and due to its dark water, the sun had been blocked out. A sense of despair ran through everybody as they looked towards the peaked wave quickly crashing down. But was I the only one who noticed the massive sea monster lurking towards the front of the wave? CRASH [Requirments Met] [System has been chosen] [Your god has been selected] [System Granted] [Poseidon System is being installed]