Spiteful Shade Notification
When a shade is targeting you, an icon appears and a sound is played.
Idea taken from: https://wago.io/S36Jvq78o
To install the icon and the sound, use download the following zip file and extract it.
https://drive.google.com/file/d/1ehcweTvAg9Rv6cVqAvVIP7IJM4iJaFOU/view?usp=sharing
Extract it in your "…\World of Warcraft\_retail_\Interface\" folder.