In addition, "Juji-kyo Sutra" and the eighteenth to twenty-first volumes of "Shobonenjo-kyo Sutra" (Meditation on the Correct Teaching Sutra) explain the homes, behaviors, and life durations of these four kings and suggests that their homes are located separately in the four-layered grounds between 84000 yojana (an ancient Indian scale: seven miles or nine miles) under the bottom of the sea to the north of Mt. Myoko (Mt. Sumeru).
また『十地経』や『正法念処経』巻18～21には、これら4人の住処・業因・寿命などを説明しており、其の住処は妙高山（須弥山）の北側の海底地下8万4千由旬の間に4層地に分けて住していると説く。