MTL - Porter of Two Worlds - Chapter 1 Hold the grass

In a world where kingdoms rise and fall, a seasoned player unexpectedly finds himself transmigrated into the very game he once mastered—Caldera. However, his new life as a ruler comes with a crushing twist: severe debuffs and harsh restrictions on his talents make survival nearly impossible. Against overwhelming odds, he fights tooth and nail to carve out a legacy. Despite his brilliance in strategy and marvels in combat, failure becomes his ultimate fate.

Arthur Morgan is an ordinary adult who ended up in the chaotic Marvel universe.He just wanted to be a discreet writer and make money from his books.It also has a 'cheat'.A daily login system.As the name suggests, whenever he logs in once a day he gains something from the system, ranging from skills to completely useless items.…One day, Arthur found a blonde girl passed out at the door of his house.“Why the hell is there a girl passed out on my doorstep!?”

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

In the heart of Earth, where the streets buzz with the energy of modern life, lies a secret that will shake the very foundation of existence. Earth, once thought to be a mere planet, reveals itself to be a living entity, its core evolving with untold power. From the depths of the Milky Way, constellations, guardians of cosmic balance, watch with keen interest as Earth's evolution unfolds.But their curiosity soon turns to desire as they see the potential for transcendence within Earth's core. To harness its power, they must overcome the planet's protective barrier, a formidable obstacle that threatens to thwart their ambitions. Desperate for a solution, the constellations turn to drastic measures, offering contracts to select humans in exchange for assistance in weakening Chatgpt's defenses.Meanwhile, amidst the chaos, Marcus Sterling, a young university student with an intellect far beyond his years, delves into the mysteries of mana, the strange energy that permeates the planet. Unbeknownst to him, he becomes a pawn in the cosmic power struggle, as constellations vie for his allegiance and humanity's fate hangs in the balance.As Marcus grapples with his newfound abilities and the ethical implications of his choices, he discovers a deeper truth lurking beneath the surface—a truth that could reshape the destiny of Earth and all who inhabit it. With allies and adversaries alike converging on Earth, Marcus must navigate a treacherous path, where the line between good and evil blurs, and the fate of the universe hangs in the balance.