30 Years After Reincarnating, It Turns Out This World Was A Rofan?! - Chapter 75: Since he fell asleep (3)

(Warning: Harem, if you don’t like it, please refrain! Boldly breaking taboo ethical norms, not letting go of any beautiful women encountered!) A young nobleman with a delicate constitution, pure and kind, has always been protected by everyone. However, after two months of military camp life, he began to change for the worse. With unbeatable power in his hands, he became lawless, targeting countless beautiful women in the city. In his eyes, every beautiful woman is like a delicate flower. He wants to gather these tender flowers around him, then extend his strong wings to shield them from any harm...

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!

- Description from Novelupdates

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

When natural disasters rage, extreme cold and storms spread infinitely...When global mutations occur, zombies flood like tides, and horrific anomalies appear...When the apocalypse arrives, massive devouring abysses with diameters of hundreds of kilometers begin to appear around the world...When people look up to the atmospheric clouds and see the slowly emerging giant corpses of evil gods...From that day on, people started to notice that the time of sunrise became later and later,until the sun no longer rose, and what awaited was an endless polar night.To survive, on that day, the doomsday broadcast announced to the world for the last time:Everyone, head east, escape the dawn!...Lin Xian awakens the “Mechanical Heart” ability, allowing him to devour machines to gain various mysterious skills, scan machines for blueprints to create new machinery, and even use his mind to synchronously drive various machines.Thus, he finds a 200-ton heavy gas locomotive, pulling specially modified storage, planting, production, medical, and living carriages, embarking on a 320,000-kilometer journey along the star orbit, charging eastward!