Hwangchon, the underworld realm of the deed in East Asian mythology, roughly equals to the ancient Greek Hades. Like the House of Hades, Hwangchon is a joyless kingdom ruled by Yemra-daewang, the Great Lord of Death. But unlike Hades, Hwangchon is believed to have a penal system by which punishments are inflicted on the newly arriving souls for their misdeeds in this life.