Revelation 11:7-9
And when they shall have finished their testimony, the beast that ascends out of the abyss will make war with them, and overcome them, and kill them.
Revelation 12:3-4
And there appeared another sign in heaven; and behold, a great dragon, fiery-red, that had seven heads, and ten horns: and on his heads seven diadems.
Revelation 13:5-18
And there was given him a mouth that spoke great things and impious words; and authority was given to him to continue forty-two months.
Revelation 17:6
And I saw the woman drunk with the blood of the saints, and with the blood of the witnesses of Jesus; and when I saw her, I wondered with great astonishment.
Revelation 17:14
These will make war with the Lamb, and the Lamb will overcome them, for he is Lord of lords, and King of kings: and those with him are called and chosen and faithful.
Revelation 19:19
And I saw the beast, and the kings of the earth, and their armies, assembled together to make war with him that sat on the horse, and with his army.