In the Era of Atheism, I Cultivated Immortality Alone

Li Yuqing became the only person in the world who could cultivate immortality. He was determined to maintain his development secretly, not to pretend to be a bad boy, not to be a hero to save the beauty, not to wander around. He would wait until he could fly, but later he found that he seemed to have no cultivation resources. How to solve this question. . . . . .