Starting from the Planetary Governor - Chapter 894 - 485, Marshal Gu_2

Transmigrated into the world of High School DxD, Roy believed he had been handed a life of luxury and glory. Born into the prestigious Lucifuge family, with his Sister Grayfia as his strict yet devoted older sister, he thought he was destined for greatness. 99,997… 99,998… 99,999… 100,000!!But... reality proved harsher: Roy lacked demonic talent and, despite years of training, remained a Low-Class Devil. his peers effortlessly achieve High-Class status, he’s been trapped in a cycle of endless sword practice and ridicule. Yet, he refused to accept mediocrity. Ten thousand sword swings a day, relentless training.. Until one day..[Ding! The Strongest Demon King System has been activated. Access functions to learn more.]---- High School DxD - Main World!1 - High School of the Dead [●] - First2 - Demon Slayer [●] - Second3 - Akame Ga Kill [●] - Third4 - Bladedance of Elementalers [●] - Fourth5 - Campione [●] - Fifth

In his old world, Elric had nothing—no powerful family, no elite degree, just relentless hard work and a passion for healing. Dismissed as a third-rate doctor, he shocked the nation by saving a congressman’s life and becoming an overnight celebrity. But just when his career was rising, tragedy struck.Now, Elric opens his eyes in a world unlike any he’s ever known—a land of swords, sorcery, and strange beliefs. Reborn in the countryside of a magical kingdom, where even a common cold is blamed on spirits, he’s the only one who understands how the human body truly works.With no palace, no power, and no one to trust, Elric sets up a humble clinic in a rural village. Armed with science and sarcasm, he treats the sick, challenges ancient traditions, and slowly earns the awe and fear of a world ruled by magic.Mocked as a fraud. Hunted by rival healers. Feared by nobles and mages alike.But this world is about to learn—Even a third-rate doctor can change history.

After an accidental electric shock, Jackson traversed into a parallel world filled with supreme beings—beings whose might and strength could hold the skies on their shoulder.

At first, Jackson preconceived the idea that he’d only traversed on the other side of the world, the United States, until that is various peculiarities popped up.

While watching the news channel, Jackson wondered whose the big green guy jumping up and down the buildings of New York without care.

Who is that bodybuilder statue donned in a red-blue uniform standing tall and proud in the Memorial Hall?

And who is that man flying the skies with a big hammer calling himself a God?

Jackson wondered if he should advise his parents to move away from New York.

But after a moment of thought, Jackson pulled out his mobile phone and dialed a number. “Mr. Stark, for the safety of mankind, I think it’s necessary to discuss the developments of technology and advanced armors with you.”

This is the story of a young man living in the world of Marvel who only wished to live a quiet and stable life but as fate would have it, fate had other plans for him.

Author’s Note: The story is based on the Marvel World.

- Description from Novelupdates

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!