The Four Gods are the central figures of an ancient Chinese system of astrology and geomancy which was imported to Japan and absorbed into Onmyodo mysticism, among other beliefs. In this system, there were 28 'star houses' (constellations) which ran the circumference of the sky. The Heavenly Emperor divided the sky into the northern, southern, eastern, and western quadrants, each with 7 star houses; each quadrant was ruled by a divine beast. In the original Chinese version, there was one more divine beast, Huánglóng, the Yellow Dragon of the Center, embodying the element of Earth. He is very notably missing from the Japanese version, where the center represents void. Void, being nothingness, has no divine beast associated with it. The closest Japanese version of him would be Ouryu. This is