Revelation 11:7-9
When they have finished their testimony, the beast that comes up from the abyss will make war with them, and overcome them and kill them.
Revelation 12:3-4
Then another sign appeared in heaven: and behold, a great red dragon with seven heads and ten horns, and on his heads were seven diadems.
Revelation 13:5-18
And the beast was given a mouth speaking arrogant words and blasphemies, and it was allowed to exercise authority for 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. When I saw her, I wondered greatly.
Revelation 17:14
These will make war against the Lamb, and the Lamb will overcome them, because he is Lord of lords and King of kings, and those who are with him are the called and chosen and faithful."
Revelation 19:19
And I saw the beast and the kings of the earth with their armies gathered to make war against him who sits on the horse and against his army.