In Investiture of the Gods, Daji is really a fox spirit.
Tips
history
She came from the 有苏 people, who gave her to King Zhou after he attacked them, so she is also called 苏妲己; 己 was her clan name.
usage
Later tellings blame her for the cruelties that brought down the Shang, and her name became a byword for a beautiful woman who ruins a man, much like 狐狸精.
