Spiritual Energy Recovery: Awakening Billions of Times Your Talent at the Age of Ninety

Seventy-five years after the spiritual energy was revived, ferocious beasts were rampant, and humans respected martial arts. Shen Yan came through time travel, but he had zero mortal talent. After seventy years of practice with no hope, he finally became an old man in his nineties, living at the bottom of the earth for the rest of his life. He had never killed a beast or stepped into the martial arts. When the oil is exhausted, the billion-fold talent system suddenly activates, changing your destiny against the will of heaven!