A Taoist Ritual performed to allow connection to the underworld, Guan Luo Yin is usually invoked by people compelled to unite with their deceased loved ones.

觀落陰是一種超自然現象，最早源自巫術，後成為道教方術「觀靈術」之一種，意指活著的人魂魄跟隨作法者的指引，進行出體，到陰曹地府旅遊。