In the novel Asura Martial God, the Mirror Realm was a mysterious realm composed of multiple interconnected space-times. They were: 1. Mirror Condensing Realm: Between the Immortal Realm and the Devil Realm, it is a realm of ice, snow, and cold. 2. Flying Mirror Realm: Located between the Heaven Realm and the Human Realm, it is a realm that mainly focuses on flight and war. 3. Mystic Mirror Realm: Located between the Immortal Realm and the Ghost Realm, it is a domain that is mainly mysterious and terrifying. 4. Ardent Mirror Realm: Between the Dragon Realm and the Aquatic Realm is a realm dominated by oceans and storms. 5. Flame Mirror Realm: Between the Fire Realm and the Rock Realm is a realm dominated by flames and volcanoes. 6. Ice Mirror Realm: Located between the Wind Realm and the Grass Realm is a realm of ice, snow, and grasslands. 7. Light Mirror Realm: It is a realm between the Demon Realm and the Demon Realm that is dominated by light and darkness. The mirror realms were interconnected, and each realm had its own unique characteristics and mysterious powers. This was an important setting in the Asura Martial God.