Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 4 - 4-10. The Night Before Departure

Su Wan is a Realm Destroyer. She shuttles to different time-spaces using the identity of the “Cannon Fodder Ex-Girlfriend”, dedicated to plotting how to happily tear apart the male protagonist and the female protagonist. –There’s no such thing as protagonists who can’t be torn apart, only Ex-Girlfriends who don’t work hard enough~

- Description from Novelupdates

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.

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy

TL Description: Eat The World Tree is about a strange guy, who happens to be extremely curious and unable to stop himself from acting on his curiosity. The MC makes a slight mistake and travels to another world, and must fulfill specific quest or face varying levels of consequences (normally death).