The Asmat tribe who inhabit the Land of Papua, has a belief in divinity that is deeply rooted in the Fumeripits myth. Fumeripits is seen as the highest god, above the ancestors of the Asmat tribe, who is considered the creator, having higher power and authority. The writing method used is literature study and uses primary data obtained directly through interviews with sources. The aim of this research is to explain Fumeripits divine understanding and reveal how the Asmat people view the role of ancestral spirits in their lives, including how ancestral spirits provide prosperity for the living. Based on the Fumeripits myth, the Asmat people believe that their ancestor was a young man who was skilled in the art of carving. They believe there are three worlds, namely Asamat Ow Capinmi (world of the living), Damir Ow Capinmi (stopover place), and Safan (Heaven). Asamat Ow Capinmi, the Asmat community has an obligation to do good and obey customary law. To help ancestors experience liberation from Damir Ow Capinmi.