How to kill bad people with feng shui moves?

You let him stay in a fierce place or a fierce house for two days. A house that used to be a slaughterhouse or execution ground. Such a house tends to concentrate the cathode magnetic field, which will lead to unnecessary ghosts. It means that houses used to be taboo industries for ordinary people, such as funeral industry, morgue, prison, altar, septic tanks in lewd places and so on.