1 Corinthians 10:20

No, but I do say that what they sacrifice, they sacrifice to demons and not to God. I do not want you to participate with demons!

Revelation 9:20

The rest of the people, who were not killed by these plagues, did not repent of the works of their hands to stop worshiping demons and idols of gold, silver, bronze, stone, and wood, which are not able to see, hear, or walk.

Leviticus 17:7

They must no longer offer their sacrifices to the goat-demons that they have prostituted themselves with. This will be a permanent statute for them throughout their generations.

Deuteronomy 32:16-17

They provoked His jealousy with foreign gods;
they enraged Him with detestable practices.

2 Chronicles 11:15

Jeroboam appointed his own priests for the high places, the goat-demons, and the golden calves he had made.

Psalm 106:37-39

They sacrificed their sons and daughters to demons.

2 Corinthians 4:4

In their case, the god of this age has blinded the minds of the unbelievers so they cannot see the light of the gospel of the glory of Christ, who is the image of God.

Treasury of Scripture Knowledge

Summary

But I say, that the things which the Gentiles sacrifice, they sacrifice to devils, and not to God: and I would not that ye should have fellowship with devils.

Bible References

Sacrifice

Leviticus 17:7
They must no longer offer their sacrifices to the goat-demons that they have prostituted themselves with. This will be a permanent statute for them throughout their generations.
Deuteronomy 32:16
They provoked His jealousy with foreign gods;
they enraged Him with detestable practices.
2 Chronicles 11:15
Jeroboam appointed his own priests for the high places, the goat-demons, and the golden calves he had made.
Psalm 106:37
They sacrificed their sons and daughters to demons.
2 Corinthians 4:4
In their case, the god of this age has blinded the minds of the unbelievers so they cannot see the light of the gospel of the glory of Christ, who is the image of God.
Revelation 9:20
The rest of the people, who were not killed by these plagues, did not repent of the works of their hands to stop worshiping demons and idols of gold, silver, bronze, stone, and wood, which are not able to see, hear, or walk.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.