eastern stone which is made a savior for their beliefs

Marapu is an indigenous religion of the Archipelago that is adhered to by the people on the island of Sumba and is also the name of an organization of adherents of the faith which was registered in 1982. More than half of the population of Sumba adheres to this belief. This religion has a belief in the worship of ancestors and ancestors. Followers of the Marapu religion believe that life in this world is only temporary and that after the end of time they will live eternally in the spirit world, namely in the Marapu heaven known as Prai Marapu.

Marapu religious ceremonies such as death ceremonies and so on are always accompanied by the slaughter of animals such as buffalo and horses as sacrifices. This has become a hereditary tradition that continues to be maintained on the island of Sumba.

The Sumbanese believe that the spirits of their ancestors attend burial ceremonies and therefore animals are offered to them. Animal spirits for the spirits of ancestors and the flesh or corpses of animals eaten by living people. As with other ceremonies [Kebamoto, 2015] and marapu are highly maintained by most of the people of Sumba

Patau tana are spirits that can come from nature, and not from humans. Usually they become inhabitants of large trees, large rocks, caves, forests or in cemeteries. This patau tana is evil and always disturbs humans, because it is very feared. Patau tana that comes from humans are the spirits of people who die unnaturally, for example due to accidents, suicides, murders and so on. Such spirits become evil out of curiosity or resentment and cannot escape their old lives. Residents give them offerings so as not to disturb

https://id.wikipedia.org/wiki/Marapu