Modern Immortality: Starting From Baduanjin

Zhou Shen went to the hospital for a physical examination and accidentally discovered that he had terminal cancer, so he returned to his hometown frustrated to prepare for his funeral. Unexpectedly, he awakened and added some practice cheats. From then on, he embarked on the path of immortality.
Ba Duan Jin: Strengthen the body, prolong life, and practice it to the point where the cold and heat will not invade, and disasters and diseases will not be affected.
Huang Ting Nei Jing: Blow the breath, spit out the old and bring in the new, bear the meridian and the bird stretches out, live a hundred years, the evil spirits dare not approach, and cannot fall asleep while sleeping.
Tai Xuan Jing: Refining Qi to transform Qi, refining Qi to transform into gods, refining gods to return to void, shining with the sun and moon, coexisting with mountains and rivers, and living with heaven and earth!
In addition, there are seventy-two Taoist supernatural powers and thirty-six transformations of Tiangang, all of which are mastered and understood!
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Practice is not easy, and the road is long and difficult, so follow the path!
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[Except for the protagonist, there are no other practitioners in the book. I am the only one in heaven and on earth! 】