Revelation 17:8
The beast that thou sawest was, and is not; and shall ascend out of the bottomless pit, and go into perdition: and they that dwell on the earth shall wonder, whose names were not written in the book of life from the foundation of the world, when they behold the beast that was, and is not, and yet is.

Revelation 11:7
And when they shall have finished their testimony, the beast that ascendeth out of the bottomless pit shall make war against them, and shall overcome them, and kill them.

Revelation 19:19
Then I saw the beast and the kings of the earth with their armies assembled to wage war against the One seated on the horse, and against His army.