Building Harem And Dungeon With Monster Girls - Chapter 8. Start of my dungeon

I, Zatiel, Abyssal Lord, Ruler of Death and Destruction, Nightmare of Dys, have AWOKEN!!!!!.

His life contains events that can shake the universe:
-Fighting against Tiamat, Creator of Evil Dragonkind, in the first circle of hell, while billions of demons and devils butcher each other beneath them
-Start a World War against the Heavenly Race, and transform himself into a Golden Sun while he slaughters their greatest warriors, the Archangel.
-Enter the Final Gate and fight against the Outer Gods.
-Tearing the nine levels of Baator during his battles against the Prince of Evil, Asmodeus.

With his memories as a ruler of the Abyss and a Universal Existence, Zatiel will rise again.

[Sweet Baby + Parenting + Doting In-laws + Light-hearted + Redemption]Xu Wan became a widow right after her marriage, initially hoping to enjoy a carefree life as a Marquis’s wife.Unexpectedly, on her very first day at the mansion, that notorious troublemaker of a stepson, infamous throughout the capital, tried to intimidate her twice.Xu Wan grabbed a knife and rushed out, instantly becoming the talk of the entire capital!Though she thought her dreams of being the Marquis’s wife were over, her in-laws surprisingly retaliated by entrusting the little devil to her care for reformation.Xu Wan: “???”Little Devil: “???”At first, no one believed it would work…But later, the maids would exclaim in amazement every day:“The young master who never studied is actually going to the study room!”“The young master is even bringing foot-washing water for the old Marquis!”“The young master actually saved all the children in the slums!”…The Marquis’s mansion was shocked, the entire capital was shocked, even His Majesty in the palace was shocked.Word spread that the Marquis’s wife had a special talent for reforming troublesome children. Soon, court officials began sending their rebellious sons to the mansion, and the mansion’s “elite class” kept growing!Three years later.The Minister of Rites, responsible for the imperial examinations, wailed to the heavens: “It’s impossible to choose! They’re all top candidates!”

DING![Ist Skill Devour Successful]______“They say a man's skills are honed over a lifetime, but what if he could devour them all in an instant?”Ryuen Takeru, a skilled, retired assassin, decides to pursue a better job that would keep him away from the dark life he once led.However, after a while, that peace was shattered when an unexpected train ride derailed reality itself, throwing him into a world and a life he had always hated.A world teetering on the brink of ruin, destroyed by an apocalypse as a result of the unending war between multiple races.Unfortunately, the post-apocalypse had already begun.Ryuen finds himself captured, exchanged, and made to serve kings of different nations.Yet fate had more in store for him.A devastating twist, capable of destroying or elevating him—the one thing he had overlooked as normal until the moment he was informed.A curse.Possible reincarnation?[Skill Devourer Activated: Plunder, Consume, Adapt, Evolve.]Nevertheless, for everything given, something must be taken—or perhaps sacrificed.

When an S-class elite assassin-raised captain of a special ops suicide squad comes home from a high-stakes Africa mission, he finds himself offered something that could potentially set him up for life- a curious assignment that he could use to finally exit his days of war and slaughter.