Revelation 17:1, 7
Revelation 17:1 NIV
One of the seven angels who had the seven bowls came and said to me, “Come, I will show you the punishment of the great prostitute, who sits by many waters.
Revelation 17:7 NIV
Then the angel said to me: “Why are you astonished? I will explain to you the mystery of the woman and of the beast she rides, which has the seven heads and ten horns.