Since the Qin Dynasty, emperors have hoped for immortality.
Legend——
There are shikigami in Japan who are expected to live forever, but they are unconscious puppets that rely on the hard work of their masters to survive;
Huayou zombies are expected to live forever. Although they have bodies and consciousness, they rely on blood to survive;
There is Mazu in the sea, and the mermaid clan whose descendants have the most precious treasure - mermaid tears, which can lead to immortality.
