Bible Verses About Demons

Then a war broke out in heaven: Michael and his angels fought against the dragon, and the dragon and his angels fought back.

But the dragon was not strong enough, and no longer was any place found in heaven for him and his angels.

And the great dragon was hurled down—that ancient serpent called the devil and Satan, the deceiver of the whole world. He was hurled to the earth, and his angels with him.