You shall utterly detest it and utterly abhor it, for it is an accursed thing. When you come into the land which the Lord your God is giving you, you shall not learn to follow the abominations of those nations. For all who do these things are an abomination to the Lord, and because of these abominations the Lord your God drives them out from before you. And the person who turns to mediums and familiar spirits, to prostitute himself with them, I will set My face against that person and cut him off from his people. 7 Consecrate yourselves therefore, and be holy, for I am the Lord your God.
Many passages warn against even the slightest involvement with the occult.
And they counted up the value of them, and it totaled fifty thousand pieces of silver. So the word of the Lord grew mightily and prevailed. And besides they learn to be idle, wandering about from house to house, and not only idle but also gossips and busybodies, saying things which they ought not. These books were on how to get involved in spiritual activity that is none of our business. But the cowardly, unbelieving, abominable, murderers, sexually immoral, sorcerers, idolaters, and all liars shall have their part in the lake which burns with fire and brimstone, which is the second death.