Bible Verses About Demons

Next there was a battle in heaven — Mikha’el and his angels fought against the dragon, and the dragon and his angels fought back.

But it was not strong enough to win, so that there was no longer any place for them in heaven.

The great dragon was thrown out, that ancient serpent, also known as the Devil and Satan [the Adversary], the deceiver of the whole world. He was hurled down to the earth, and his angels were hurled down with him.