Revelation 17:11

So must it be with the animal that was, and is no more. It is also an eighth king, although it is one of the seven, and it is to go to destruction.

Revelation 17:8

The animal that you saw was, and is no more; it is going to come up out of the abyss, but it is to go to destruction. The inhabitants of the earth, whose names from the foundation of the world have not been written in the book of life, will be amazed when they see that the animal was, and is no more, and yet is to come.

Treasury of Scripture Knowledge

Summary

And the beast that was, and is not, even he is the eighth, and is of the seven, and goeth into perdition.

That was

Bible References

That was

Revelation 17:8
The animal that you saw was, and is no more; it is going to come up out of the abyss, but it is to go to destruction. The inhabitants of the earth, whose names from the foundation of the world have not been written in the book of life, will be amazed when they see that the animal was, and is no more, and yet is to come.