In addition to the royal fingers in fairy tales, there are also royal fingers in real life. For example, if you encounter a green light when crossing an intersection, you can understand it as an imperial finger when you cross the intersection at that moment, because this moment especially meets your travel needs and allows you to pass the intersection smoothly.
The imperial reference can also be extended to interpersonal relationships. When you accidentally say someone's name, this person suddenly appears or contacts you, which can be understood as imperial finger. This phenomenon may be a coincidence, or it may be because our way of thinking and attention make us unconsciously guide the occurrence of events.
The above is my answer, I hope it will help you.