"Why are you so amazed?" said the angel. "I will tell you the mystery of the woman and of the beast that carries her, which has the seven heads and ten horns.

2 Thessalonians 2:7
For the mystery of lawlessness is already at work, but the one who now restrains it will continue until he is taken out of the way.

Revelation 1:20
This is the mystery of the seven stars you saw in My right hand and of the seven golden lampstands: The seven stars are the angels of the seven churches, and the seven lampstands are the seven churches.

Revelation 12:3
Then another sign appeared in heaven: a huge red dragon with seven heads, ten horns, and seven royal crowns on his heads.

Revelation 17:3
And the angel carried me away in the Spirit into a wilderness, where I saw a woman sitting on a scarlet beast that was covered with blasphemous names and had seven heads and ten horns.

Revelation 17:5
And on her forehead a mysterious name was written: BABYLON THE GREAT, THE MOTHER OF PROSTITUTES AND OF THE ABOMINATIONS OF THE EARTH.

Revelation 18:1
After this I saw another angel descending from heaven with great authority, and the earth was illuminated by his glory.

And the angel said to me, Why did you marvel? I will tell you the mystery of the woman, and of the beast that carries her, which has the seven heads and ten horns.