The State Religion of the Great Ri was the state-sponsored syncretic religious system practiced by the imperial family and most of the conquest elite of the Nara Yonggan during their ascendency. The Ri emperors also patronized a variety of other religious faiths, including especially those of the Air Nomad religious tradition and the folk religion of the Earth Kingdom.
At the root of Ri state religion is traditional Yonggan shamanism, as it developed under the pre-dynastic Nara Yonggan khagans. This was a henotheistic religion worshiping the heaven-god Abkaiten ("Foundation of Heaven"), which developed into monotheism in which other divinities were interpreted as aspects or persons of Abkaiten. A hierarchal relationship of divine aspects was postulated, with Abkaiten's four coequal chief aspects being Muke, Tuwa, Na, and Edun water, fire, earth