Number One Dungeon Supplier - Chapter 1866 Theory Crafting

When the last prodigy level esper on Earth disappeared, Earth was in deep trouble of becoming another species’ colony. The ordinary Han, with his intelligence and hardworking character, was able to make a fortune after “accidentally” stepping into the world of dark net, later purchasing an esper power crystal that brought him the ultimate power that changed the fate of the universe.

Dark net is a subset of the Deep Web that is not only not indexed by traditional search engines, but that also requires special tools like specific proxy or authentication to gain access. Dark net is not restricted by any law or morals, so the dark net market has everything that is prohibited by the law. Drugs, slaves, firearms, uranium, bioweapons, rare animals, human testing, assassination, and the list goes on. During the year of 2075 on Earth, Han Lang logged into the largest hyperspace dark net market, and our story begins.

- Description from Novelupdates

500 years ago, Chen Xi was devoured by a crack in the void and was transported into a cultivation world.

500 years later, he returned back to Earth after enduring through several hardships and discovered that only 5 years had gone by.

…

In the courtyard, beauty at the side, a candle flame wavering.

A gush of clear wind, half a full moon, the peach tree remains unchanging.

…

Wait, whose kid is this?! Why is she calling me papa? Gazing at the little girl in front of him with skin as pale as jade, Chen Xi froze.

…

　
Returning home from cultivation, starting as a stay-at-home dad.

In this life, not fighting to be a king nor claiming to be a tyrant, only praying to peacefully be a wife-pampering mad devil and a child-protecting daddy!

- Description from Novelupdates

Absurd! Reincarnating as a newborn in a demon-infested world, the overturning system arrived 30 years early.[At 30, after enduring endless hardships, you have achieved nothing and remain a loner. Reward: Late Bloomer (Talent) - Effect: The older your bones, the faster you cultivate.][Overturning mission: Defeat Chen Yuan at the sixth level of the Guiyuan Realm within a year. Reward: Swordsmanship entry-level]One-year-old Chen Yi looked at the content on the panel, then down at his small arms and legs, falling into deep thought.'Damn! This system definitely arrived too early!''I'm only a year old, what good is the Late Bloomer talent now?''And Chen Yuan of the Guiyuan Realm...'...Years later, war reports came from the frontlines.'The Tianyuan Continent’s top ten martial arts prodigy, Champion Marquis of the Wei Dynasty, the Amorous Young Master, Sword Saint Chen Yi, slaughtered 100,000 demons on the battlefield of Taizhou Mountain to celebrate for the human race!'However, Chen Yi looked at the battlefield flowing with rivers of blood and shook his head:'I’ve been making overturn since I was one, experiencing countless life and death situations to achieve my current cultivation level. It’s not surprising you can’t resist!'Those 'life and death' crises were terrifyingly daunting.The big brother at one year old, childhood sweetheart at five, senior brother at ten, princess at a tender age...Who understands my hardships?PS: Infant stream, system-arriving-early stream, light-hearted, humorous, passionate.PPS: Also known as 'Starting the Overturn as an Infant', 'Reborn as an Infant, What an Overturn! ', 'Talking is Useless, It's Time to Fight.'

Lee Se-Hoon, the blacksmith of humanity’s last desperate united force, fought against the demons until the very end. However, the result was mutual destruction, with the world coming to an end. The moment he took his own life over that futile conclusion—

“…What is this?”

He had regressed to his days as a candidate at the hero training institution, Babel Academy. Having obtained a second chance, he swore to use anything as material to gain victory this time. Anything at all!