Mage Manual - Chapter 1394 - 1023: Advancement Harvest

A 40-year-old man suddenly dies and is reincarnated in a world devastated by zombies—but instead of becoming a hero or a survivor, he wakes up as a zombie girl.

In 2028, the Abyss invaded, accompanied by the arrival of Extraordinary Power, bringing Blue Star into the era of universal awakening.Chu Xiu, a transmigrator who inherits the Infinite Saint Dao Sect, looks at the insane Demonic Secret Techniques before him and falls into contemplation.“Crafting a Bone Banner requires the sacrifice of hundreds of mortals. Well... do zombies count as humans?”And he quickly discovers that those Abyss creatures work exceptionally well for crafting Demonic Artifacts. Most importantly, their number was almost inexhaustible!

The human race fell under the wrath of the alien invaders. At the end, Michael, humanity's last Paragon, remained.Unwilling to let his kin be exterminated, he goes back in time to the year 4026. One week before the start of the alien invasion that marked the turning point in the war.Reborn in his young body with his memories intact, Michael will use the knowledge of his past life to his advantage.By mastering both cultivation and cybernetics, he will attain the power to protect his loved ones, with his ultimate goal being to raise humanity to galactic supremacy and triumph over the alien invaders once and for all!

I returned after 10 years.