The Great Mage Returns After 4000 Years - Book 2: Chapter 448

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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An immortal cultivator is murdered by her master and finds herself reborn in the strange world of One Piece. She hardens her resolve to once more tread the path of cultivation, only to find it won't be as easy as she thought.

In a world of monstrous pirates and a corrupt World Government, a new power is rising within the Marines: “Black Hair” Roya. Reborn with a unique ability and a burning ambition, he climbs the ranks with shocking speed, leaving a trail of both fear and admiration.He inspires loyalty, yet manipulates everyone around him. He upholds justice, yet his methods are anything but just. He is a master strategist, a deadly fighter, and a charmer of powerful women.But what is his ultimate goal? Is he a savior who will reform the corrupt Marines from within, or a ruthless tyrant who will forge a new world order in his own image? The answer lies hidden in a sea of blood, ambition, and broken rules.---Get ready for your daily dose of One Piece: I'm Destined to Be the Son-in-Law King! ^_^ New chapters will be unleashed every day.Let's see how many chapters I can manage each day! Your support (and reviews!) keep me going! ^_^Enjoying this story? Be sure to check out my other translation projects too:- Naruto Paradise: An Evil Uchiha's Rise- Young Master, Please Become Hokage!This is a translation, I'm not the authorTranslator: Boundless_Beacon

This is not your usual isekai novel. it has my unique world background, unique power system and i am trying it make it a unique experience for every reader. :)

Athan, a 16-year-old boy, lived until he was killed for a stupid reason. (stupid reason & more in the prologue:v)

But it seems that fate had stored different things for him as after death as he transmigrated in the magical world inside a dead body of a boy with the same name and same facial features as him.

He also found out that a mysterious black whirlpool seemed to be inside him.

Was someone responsible for his transmigration? if so then who? and why? or was it pure coincidence that he got a new chance at life?