Revelation 12:9, 13, 15, 17

So the great dragon was thrown down once and for all. He was the serpent, the ancient snake called the devil, and Satan, who deceives the whole earth. He was cast down into the earth and his angels along with him.

Now, when the dragon realized that he had been cast down to the earth, he set off in pursuit of the woman who had given birth to the man-child.

Then the dragon spewed from his mouth a raging river of water to sweep her away with the flood.

Then the dragon became enraged at the woman and went off to make war against the remnant of her offspring who follow the commands of God and have the testimony of Jesus.