Revelation 11:7-9
when they shall have finished their testimony, the beast that ascends out of the bottomless pit, will make war against them, overcome them, and kill them.
Revelation 12:3-4
And there appeared another wonder in heaven, it was a great red dragon, having seven heads, and ten horns, and seven crowns upon his heads.
Revelation 13:5-18
there was given to him a mouth speaking great things, and blasphemy; and power was given to him for two and forty months.
Revelation 17:6
and I saw the woman drunken with the blood of the saints, and with the blood of the martyrs of Jesus: and when I saw her, I wondred with great admiration.
Revelation 17:14
they will make war with the lamb, but the lamb, who is lord of lords, and king of kings, together with those that are called, chosen, and faithful, shall overcome them.
Revelation 19:19
Then I saw the beast, and the kings of the earth, with their armies assembled, to make war against him that sat on the horse, and against his army.