1 Corinthians 10:20
But I say, that the things which the Gentiles sacrifice, they sacrifice to demons, and not to God: and I would not that you should have fellowship with demons.
Revelation 9:20
And the rest of the men who were not killed by these plagues yet repented not of the works of their hands, that they should not worship demons, and idols of gold, and silver, and bronze, and stone, and of wood: which neither can see, nor hear, nor walk:
Leviticus 17:7
And they shall no more offer their sacrifices unto demons, after whom they have played the harlot. This shall be a statute forever unto them throughout their generations.
Deuteronomy 32:16-17
They provoked him to jealousy with strange gods, with abominations they provoked him to anger.
2 Chronicles 11:15
And he ordained himself priests for the high places, and for the goat idols, and for the calf idols which he had made.
Psalm 106:37-39
Yea, they sacrificed their sons and their daughters unto demons,
2 Corinthians 4:4
In whom the god of this age has blinded the minds of them who believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them.