Initially, they were represented on the walls of a main chamber, amongst other divine beasts. They made their official appearance in burial structures some time during the Han Dynasty of China. The Four Guardian Deities are gods believed to be related to the four cardinal directions, the four seasons as well as the twenty-eight major constellations, and are said to ward off evil influences and ensure the harmony of yin and yang energies. The Four Guardian Deities are a pantheon of four divine beasts namely, the Blue Dragon, the White Tiger, the Red Phoenixes and the Black Tortoise and Serpent. The Four Guardian Deities in Goguryeo Murals
