Borrowing Swords from Mountains and Rivers

There are fifteen levels of martial arts and Qi practitioners in the world. It is said that those who break through the fifteen levels can ascend to immortality! In the past ten thousand years, there have been many legends about people ascending to the upper world and becoming immortals, but in today's era, it is indeed rare to hear it. It has been 40 years since anyone ascended to immortality in the world, and people gradually regard ascension as a legend... Pei Yan, a young man who was born in the south of Dasheng but grew up in the north, was told that he would not survive the full moon since he was a child, but he was saved by an old scholar in green shirt passing by. Before leaving, the old scholar sighed: "This child's destiny is full of shortcomings, but also full of it."