The Fallen Hero Reincarnates as the Demon King's Son - Chapter 17 - 16 - Applying What She Was Thought

The young lord of a small and weak country saves a dragon beside the sea one day.

In a world where fate is scripted and power determines survival, Arthur Nightingale was never meant to shine.When he awakens in the world of Saga of the Divine Swordsman, he isn’t the destined hero, the villain, or even a major side character—he’s an extra. A nobody. A mere background figure in the shadow of Lucifer Windward, the overpowered protagonist who will one day ascend beyond gods.But Arthur knows the truth.The world he now inhabits is doomed. The plot is destined for a catastrophic downfall, and the so-called “geniuses” will not be enough to stop the tide of destruction. Armed with knowledge of future events and his own will to defy fate, Arthur refuses to be just an extra.

After an accidental space warp, Xenos finds himself in a place known as the True Universe—a vast cosmos filled with countless races, yet devoid of humans. Longing for Earth and a home he can no longer reach, Xenos trains tirelessly for billions of years, eventually reaching the pinnacle of what the universe can offer.During his relentless cultivation, he uncovers conspiracies, hidden truths, and the devastating reason why the human race is absent among the many races of the True Universe. The weight of this knowledge pushes Xenos to the brink of despair. Refusing to give up, he resolves to take matters into his own hands to rewrite fate itself.However, the ruling powers of the True Universe catch wind of his intentions and launch a brutal attack. Though wounded, Xenos narrowly escapes. After an arduous journey, he finally returns to Earth—only to discover his home universe has been destroyed. Overwhelmed by grief and anger, Xenos uses his knowledge to travel back in time to January 1, 3038.Now in the past, Xenos must act carefully. Using his Paragon-level cultivation risks alerting other Paragon beings, so he remains in the shadows, guiding humanity from behind the scenes. His mission? To lead the human race on a perilous journey through the planes of existence to the True Universe, where they can reclaim their rightful place among the stars.Will Xenos succeed in his quest, or will the forces of the True Universe crush his dreams? Find out by reading his epic journey—one filled with trials, heartbreak, and the burning hope of restoring humanity’s legacy.From the Author (Comedic Edition):Let’s be real, we’ve all had that “Oh, it’s good, but I’ll bookmark it later” moment. Spoiler alert: you’ll forget. Just bookmark it now, save yourself the regret—and me the anxiety of wondering if you’ll ever come back!#Reincarnation, #TimeTravelAdventures, #PowerfulProtagonist #SectBuilding, #ParallelUniverses, #DifferentRealms, #MultiverseJourney, #AncientMysteries, #AncientRaces, #CosmicBattles, #FantasyWorlds.