Pati Ka Du’a Bapu Ata Mata ceremony or also known as Pati Ka ritual is celebrated by the people of Lio Tribe in Bali. This ritual is an offering’s give to the ancient in Kelimutu Lake. This is happened because of the Lio Tribe’s belief that the spirits live in the Kelimutu Lake.
On this ceremony, the people give a special meals after harvest time (Pati Ka) to three lakes where the spirits live: Tiwu Ata Mbupu, Tiwu Na Muri Koo Fai, and Tiwu Ata Polo, as a communication form to the ancients, universe, and the God.
The participants of this ritual have to walk about 700 meter to the Peak of Kelimutu Mountain, accompanied by traditional music named I lio ende. They have to wears the traditional cloths, lio ende, where the men wears special weaving sarong (luka) and Batik destar and semba or shawl. On the other hand, the women wears lawo and lambu.
The mosalaki pu’u or the tribe’s leaders lead the summit of the Pati Ka ritual from the special place. The ritual begin with giving a food to the ancients, which are pork, red rice, betel nut, and moke. The mosalaki pu’u take the offerings on the rock. One of the mosalaki pu’u lead the pray and this ritual end with Gawi Sodha dance by the mosalaki pu’u. This ceremony end with traditional dances and songs by the people of lio ende.