Some people die unnaturally, no one understands what happened to them. Black magic is something that can be used to do harm to a person's belongings. No religion supports black magic, which can easily harm people. But still people give up the happiness after death for some of their little benefit or from jealous. I wrote it in briefly with own eye-experience of black magic. "Something Darker" https://read.cash/@Sajibb/something-darker-42dc3a02