Deuteronomy 18:10-12
Let no one be found among you who sacrifices his son or daughter in the fire, practices divination or conjury, interprets omens, practices sorcery, / casts spells, consults a medium or spiritist, or inquires of the dead. / For whoever does these things is detestable to the LORD. And because of these detestable things, the LORD your God is driving out the nations before you.

Leviticus 19:31
You must not turn to mediums or spiritists; do not seek them out, or you will be defiled by them. I am the LORD your God.

1 Samuel 28:3-9
Now by this time Samuel had died, and all Israel had mourned for him and buried him in Ramah, his own city. And Saul had removed the mediums and spiritists from the land. / The Philistines gathered together and camped at Shunem, while Saul gathered all Israel and camped at Gilboa. / When Saul saw the Philistine army, he was afraid and trembled violently. ...

2 Kings 21:6
He sacrificed his own son in the fire, practiced sorcery and divination, and consulted mediums and spiritists. He did great evil in the sight of the LORD, provoking Him to anger.

Isaiah 8:19
When men tell you to consult mediums and spiritists who whisper and mutter, shouldn’t a people consult their God instead? Why consult the dead on behalf of the living?

Leviticus 20:6
Whoever turns to mediums or spiritists to prostitute himself with them, I will also set My face against that person and cut him off from his people.

2 Chronicles 33:6
He sacrificed his sons in the fire in the Valley of Ben-hinnom. He practiced sorcery, divination, and witchcraft, and consulted mediums and spiritists. He did great evil in the sight of the LORD, provoking Him to anger.

Micah 5:12
I will cut the sorceries from your hand, and you will have no fortune-tellers.

Galatians 5:19-21
The acts of the flesh are obvious: sexual immorality, impurity, and debauchery; / idolatry and sorcery; hatred, discord, jealousy, and rage; rivalries, divisions, factions, / and envy; drunkenness, orgies, and the like. I warn you, as I did before, that those who practice such things will not inherit the kingdom of God.

Acts 8:9-11
Prior to that time, a man named Simon had practiced sorcery in the city and astounded the people of Samaria. He claimed to be someone great, / and all the people, from the least to the greatest, heeded his words and said, “This man is the divine power called the Great Power.” / They paid close attention to him because he had astounded them for a long time with his sorcery.

Revelation 21:8
But to the cowardly and unbelieving and abominable and murderers and sexually immoral and sorcerers and idolaters and all liars, their place will be in the lake that burns with fire and sulfur. This is the second death.”

1 Corinthians 10:20-21
No, but the sacrifices of pagans are offered to demons, not to God. And I do not want you to be participants with demons. / You cannot drink the cup of the Lord and the cup of demons too; you cannot partake in the table of the Lord and the table of demons too.

Acts 16:16-18
One day as we were going to the place of prayer, we were met by a slave girl with a spirit of divination, who earned a large income for her masters by fortune-telling. / This girl followed Paul and the rest of us, shouting, “These men are servants of the Most High God, who are proclaiming to you the way of salvation!” / She continued this for many days. Eventually Paul grew so aggravated that he turned and said to the spirit, “In the name of Jesus Christ I command you to come out of her!” And the spirit left her at that very moment.

2 Corinthians 6:14-17
Do not be unequally yoked with unbelievers. For what partnership can righteousness have with wickedness? Or what fellowship does light have with darkness? / What harmony is there between Christ and Belial? Or what does a believer have in common with an unbeliever? / What agreement can exist between the temple of God and idols? For we are the temple of the living God. As God has said: “I will dwell with them and walk among them, and I will be their God, and they will be My people.” ...

Revelation 22:15
But outside are the dogs, the sorcerers, the sexually immoral, the murderers, the idolaters, and everyone who loves and practices falsehood.