A Mere Mortal

Humanity's nuclear war has devastated all life, and the alien civilization that suddenly visited has given divine power to humans in trouble. From then on, humans called themselves immortals and respected alien civilizations as gods. The earth has since entered a prosperous era of cultivation. However, the history of cultivation ended abruptly after more than six thousand years. That year, there was someone who killed the gods; that year, there was someone who transformed the immortals into mortal beings; that year, that person's name was Li Liangren! ! !