The Prince Is the Only One Favored, and God Predicts the Eldest Lady

As a half-assed killer in the 21st century, the first thing she did when traveling through time was to peel off the shell of her father's turtle for divination. The good and bad spirits, coupled with her mouth, can make people miserable without using hexagrams or curses. The sister-in-law made her angry and gave her divination every day. The princess made her angry and cursed her to death every day! However, as a legendary fortune teller, she is always the unlucky one when it comes to someone who is so wise that she is almost a demon?