No mention. It was written by Tang Jiasan, the author of fantasy novel's The Throne of God. The dragon is a derivative role in fantasy novel's works. Grandpa in Wen's throne is the dragon in the Knight's Hall, not to mention the grandmother of the dragon. Grandpa is Feng Xiu of the fiend emperor, and grandma is the white of the priest's hall. Feng Xiu is the head of the 72-pillar fiend, the fiend emperor and the demon leader of the inferno. His innate attribute is darkness, and he is a million spiritual powers and a demigod.