Leviticus 20:5-6

5then I Myself will set My face against that man and against his family, and I will cut off from among their people both him and all those who play the harlot after him, by playing the harlot after Molech.

6‘As for the person who turns to 12mediums and to spiritists, to play the harlot after them, I will also set My face against that person and will cut him off from among his people.