Black Magic. In the media black magic is portrayed as evil white as good. In the simpliest terms all magic is the same and really had no color but the media movies television and video games has made color magic very popular.
Again no referral link but feel free to let him know you found out about his products from Black Magic Craft. Black magic on the other hand will help you hurt your target if that is what you are looking to do. Any sexual act involving lack of consent between parties andor a child.
To harm or deprive others.
If you want to get benefits out of it for your personal use you must consider a black magic expert. The magic of evil. BWC has created this system of defining beginner to advanced Black Magick to assist you in charting your occult journey. Again no referral link but feel free to let him know you found out about his products from Black Magic Craft.