What are the marks of the reincarnation of immortals?

Terminology of palmar nevus.

Yijing cloud: the pearl of the palm, the star of nine songs; The heart reaches yin water, the heart of God's sister and son.

It means that people with pearl moles are sentimental, satellites in the sky, lovers of God's sister (angel) and die young. In order to protect their lovers, God's sisters turned tears into pearls and fell into their hands, and then sacrificed themselves to find their lovers in the afterlife.