Cronus' system: Against the gods - Chapter 140 Borrowed Power

With the revival of spiritual energy and the breakdown of the order of species, it is a difficult test whether human beings can still stand at the top of the biological chain.

(There is already an old book, The Strongest Descends in the City, you can read it.)

- Description from novelbuddy

When 18-year-old Chu Miao dies in a tragic car accident, her soul vanishes; but her body does not remain empty for long. A formidable warrior from an ancient era, the daughter of a renowned general, awakens in her place. Sent into the future by a prophecy, she finds herself in a world on the brink of destruction.With only a month before typhoons ravage the land, extreme weather shifts without warning, and terrifying mutations transform animals and plants into deadly threats. Worst of all, a horrifying virus spreads like wildfire, turning humans into flesh-eating zombies. Civilization crumbles and only the strongest survive.Though her new body lacks the powerful cultivation she once had, she still possesses an invaluable advantage; her ancient spatial ring. Filled with elixirs, weapons, demonic beast cores, and rare cultivation resources, it becomes her greatest tool for survival. But modern supplies are also essential, and she must act fast to stockpile resources before the apocalypse fully takes hold.As chaos reigns, she fights to protect her family and secure a foothold in this brutal new world. Along the way, she crosses paths with a mysterious and powerful man, one of the rare few who awaken supernatural abilities and is just as determined to survive. Together, they forge an unbreakable bond, battling both the relentless undead and the desperate survivors willing to kill for a chance to live.Armed with ancient wisdom and modern strategy, she refuses to bow to fate.In this new life, she will rise again—not as a lost soul from the past, but as a warrior destined to rule the apocalypse.

Just as nuclear weapons are merely a by-product of science, immortality is but a small gift in the pursuit of the Dao.The patriarch of the new method, the great sage and virtuous teacher, Zhen Fa Zhenren, the strongest cultivator in ten thousand years, is recruiting personal disciples. The reference books are as follows:“Topology in Talismans—Starting with the Little Rain Talisman”“Artificial Intelligence Research in Magical Artifacts: A Preliminary Exploration of Artifact Spirits”“Elemental Decomposition of the Nine-turn Golden Elixir”“Basics of Formation Pathways”Note: Preference will be given to those who have published papers in the Journal of Immortal Dao.

Liu Fang, a manager, died suddenly at work due to being too diligent.
She thought that she would turn into a wisp of dust and dissipate after her death, but she never imagined that – the new century, the new underworld, even if she became a soul, she would still be a worker!

Liu Fang has become a newcomer to the underworld Quick transmigration Department. In order to wait for a good reincarnation, she strived to accumulate merit and traveled into one world after another to repair the way of heaven.

- Description from Novelupdates