1 Corinthians 10:20-21

On the contrary, what the heathen sacrifice they sacrifice to demons and not to God, and I do not want you to have communion with demons.

1 Timothy 4:1

Now the Spirit distinctly declares that in latter days there will be some who will fall away from the faith, by listening to spirits of error, and to teachings of demons

Revelation 16:14

For these are the spirits of demons performing miracles, who go forth to the kings of the habitable earth, to gather them together for the battle of the great Day of God, the Almighty.

Treasury of Scripture Knowledge

Summary

And he ordained him priests for the high places, and for the devils, and for the calves which he had made.

Bible References

For the devils

1 Corinthians 10:20
On the contrary, what the heathen sacrifice they sacrifice to demons and not to God, and I do not want you to have communion with demons.
1 Timothy 4:1
Now the Spirit distinctly declares that in latter days there will be some who will fall away from the faith, by listening to spirits of error, and to teachings of demons
Revelation 16:14
For these are the spirits of demons performing miracles, who go forth to the kings of the habitable earth, to gather them together for the battle of the great Day of God, the Almighty.