They built on the legends of sacred lands and fairy realms to create their own heaven into which they could ascend on being transformed into immortals. Palaces in the North Star? According to the Shan Hai Jing (Classic of Mountains and Seas), "The mountains of Kunlun lie in the northeast.
道教結合神話傳說裡的聖域仙境，開始編織自己羽化登仙的天堂。