Novel setting. In the novel Dragon, Xia Mi's elder brother is Fenrir, the "earth and king of the hill" among the four dragon kings representing the "four elements", so Xia Mi's elder brother is in the soil. Xia Mi, a writer, is a character in the series of novels "Dragon" in Jiangnan and its derivative works. His real identity is the land and king of the hill among the four dragon kings representing the "four elements", and his name is Jormungandr.