Demon Cultivator of the Apocalypse

Zombies have overrun the city. Li Xuan meets Chi Xinyi, a demonic cultivator from a civilization of immortal cultivators.

[No System] [Mortal Demonic Cultivator] [Modern Technology Evolution] [Two Civilizations Transmigrate] [Complete Annihilation of the Cultivation Civilization]

After becoming a demonic cultivator, Li Xuan is dissected for research by his classmates and mentor.

After awakening, he gains a D-rank ability: whoever he points at gets a pain in the balls.

By the way, the male lead has both parents, and his younger sister is perfectly normal! He can still go on to achieve great things.