Road to Mastery: A LitRPG Apocalypse - Chapter 520: Entering the Dark Canal

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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Framed by her so-called best friend and half-sister, Su Qianxun stumbled upon a strange man when she was making her escape. A strange man so handsome it looked as if his face was carved by the Gods, but with a heart as cold as stone. A wild and fiery night ensued, and ever since then, they embarked on a journey filled with passion, lust, conspiracy and treachery.

The Night Has Come, and kermesinus moon ascends in the sky.Hoarse whispers flow at the street corners, and brass steam machines spew out bloody mist.Your brain is singing a hymn, eyes are chanting a melody.Skin cracks, and flesh buds swell.Amidst the Mist, the wall of flesh that has devoured thousands of corpses wails endlessly—“Weep not, our players don't bite, they just want to play with you.”Annan, the lone strategist, the top player, the savior of the mist-covered continent, the leader of the Thirteen Saints, the friend of the Twelve True Gods, the king of pioneers, “the Just”, the Gatekeeper of the Fourth Calamity, the uncrowned deity, advised kindly.

The protagonist of the world where Lev Razanov lived had already achieved his happy ending. Meanwhile, the world continued to move forward. Until the protagonist betrayed humanity.[You have been killed by the main character.][Hero’s System successfully installed.][Do you wish to return to the past?]Lev was given a chance to return to a time when the story of his favorite novel had just begun.Although he was destined to become an extra villain—a pawn of the pawns serving the real villain, he vowed to end the lives of anyone who had caused him suffering.[Hero’s System inherits your desire from your life on Earth—the desire to do good.]“Who said killing your enemies is an evil act?”[You gain +10 kill points.][You gain +10 heroic points.]***Additional Tags: Second Chance, Past Play a Big Role, Game Elements, Handsome Male Lead.(Third Person Limited Pov.)