1 Corinthians 10:20
No, but that which the Gentiles sacrifice, they sacrifice to demons, not to God; and I would not have you have fellowship with one another through the demons.
John 12:31
Now is a judgement of this world: now will the Prince of this world be driven out.
John 14:30
In future I shall not talk much with you, for the Prince of this world is coming. And yet in me he has nothing;
2 Corinthians 4:4
in whom the god of this present age has blinded their unbelieving minds so as to shut out the sunshine of the Good News of the glory of the Christ, who is the image of God.
Ephesians 2:2
which were once habitual to you while you walked in the ways of this world and obeyed the Prince of the powers of the air, the spirits that are now at work in the hearts of the sons of disobedience--to you God has given Life.
Revelation 9:20
But the rest of mankind who were not killed by these plagues, did not even then repent and leave the things they had made, so as to cease worshipping the demons, and the idols of gold and silver, bronze, stone, and wood, which can neither see nor hear, nor move.
Revelation 17:1-5
Then one of the seven angels who were carrying the seven bowls came and spoke to me. "Come with me," he said, "and I will show you the doom of the great Harlot who sits upon many waters.