This article will help you know more about black magick.
Black Magick is the counterpart of the benevolent white magick, and it does involve the Three-Fold Law, which states that, "When you cast a spell either GOOD or BAD, comes back to you three times.", yet it is believe to bring karmas when you cast a spell. The malicious black magick is used when either hurting or bring a curse to whom it may bring. It is classified as a left hand path. The following is being classified as a black magick:
*Death spells (although believe that it may not work.)