0.1 Hz

0.1Hz. Grandpa's heart rate before he died was so slow that the monitor thought it was an interference signal. Lin Shen spent eight years translating the inner alchemy into physical formulas, accurate to every line. But he couldn't save his sister. Lin Qian was twenty years old, and the light on her body was getting darker and darker. Infuriating energy can last for a day, but not for long. Until he discovered that his grandfather's notes were only half translated. The other half is hidden in the six blank pages, hidden in the sentence "you can hear it when you are quiet", hidden in the frequency that he can't stick to. Cultivation of immortality is not metaphysics. But in the end of cultivation, what is cultivated is not the Qi but the heart.