MTL - Marvel: Containment Foundation From Scratch - Chapter 20

“Nine Heavens cast down the Undying Tree, from the tomb the Immortal's bones were fetched;Taoist Venerable tut-tutted as they drank blood plasma, Old Buddha relished in the chew of meat;Beasts and livestock rang the Dharma Drum, city foxes and hole-dwelling rats boiled in the pot;In the Immortality Wine, the resentful spirits were fishy, at the Killing Banquet, the Dao Fruit was bitter!”In this world where Daoist Skill manifested, countless Sect Cultivators, Side Door Magicians, princes and scholars, officials of high rank and nobles all coveted immortality!Owl God Tomb, stealing heavenly secrets, Pearl Gathering Skill, Holy Infant Pill, bone effigies, Yin God Shrine, human-transformed monsters, Undying Elixir, Red Line Poison, Blood Immortal insects, Mermaid Meat, gold-threaded robes, Five Poisons Primordial Spirit, Seven Star Life Extension...They killed and harmed life only to steal the “Killing Dao Fruit” borne upon that Undying Tree!Until... a sly “Fishing Man” came to this world.Wang Yuan, born with the Small Book of Life and Death, had but a simple and unadorned dream:Amid bustling strings and smoky vistas, on a night bathed in moonlight, in peace and quiet did I lean on the rail, savoring the wind, toasting to the stars.With his “Bride in bridal clothes,” watching the sunrise at Taishan in the morning, admiring Qionghua in Luoyang at noon, and drinking under the aurora by the North Sea in the evening.“But you all smell so incredibly fragrant!No more, none shall escape, for today I shall crowdfund Cultivating Immortality! Please... my treasure, turn around!”The blood-red veil of the Bride abruptly fluttered to the ground.

Good Looks: Check!
OP Skills: Check!
Face Slapping: Check!
PP Size: Check!

Lucien was more than ready to embark in his new adventure to save a dying world from destruction as part of the Heaven's Gate Project.

However, just as he was about to be sent to the world that he was about to save, an accident happened, which forced his Patron God, the God of Gamblers, to take another gamble in order to preserve his chosen candidate's life.

Lucien, who's new identity was named Lux, found himself in a world where darkness could be light, and light could be dark. A world where morality was but a thin line from depravity, and a happy ending could only be gained, by facing the world and slapping it with a Legion of the Undying.

Iona, the knight who was the loyal dog of the tyrant Emperor, gave her life for him. But her lord, whom she trusted, abandoned her in the end, and the person who stood by her side in her death was no other than her husband.“I want to kiss you one last time.” Iona demanded on the verge of death.“I’m telling you in advance… Just in case… You won’t die and this won’t be our last kiss.”Satisfied with her non-lonely death, she closed her eyes.When Iona woke up again, she realized that she had returned to the past and her husband was again chosen to be her partner.Though her past wasn’t good, one thing she also didn’t want to change was her husband, the only success in her life. If so, she should at least turn this marriage into a ‘successful marriage’, she decided.“Lord Leroy, I will formally propose to you; Please marry me. I will definitely make you happy.”Iona was determined to repay her husband for his generosity. Just the way she wanted.

This novel is also known as Master Fu's Mysterious Darling Wife

She is the The Young Miss of Military family Shen, her face is peerless, her temperament is cold, and she is her family’s treasure, but isn’t accepted as one’s child by her mother;

He is The Sole Heir to the top giant Fu Family, his power is unparalleled, indifferent high-born, the captain of the mysterious military force, and the youngest commander-in-chief.

Because of her grandmother’s wishes, she married him at lightning speed. She thought that it was a marriage that she needed, but she didn’t expect to be greeted with his extreme pampering.

- Description from Novelupdates