Revelation 17:1-5

Then one of the seven angels who were carrying the seven bowls came and spoke to me. "Come with me," he said, "and I will show you the doom of the great Harlot who sits upon many waters.

Revelation 18:2-3

and with a mighty voice he cried out, saying, "Great Babylon has fallen, has fallen, and has become a home for demons and a stronghold for every kind of foul spirit and for every kind of foul and hateful bird.

Revelation 18:9

The kings of the earth who have committed fornication with her, and have revelled in luxury, shall weep aloud and lament over her when they see the smoke of her burning,

Revelation 18:23

Never again shall the light of a lamp shine in thee, and never again shall the voice of a bridegroom or of a bride be heard in thee. For thy merchants were the great men of the earth, and with the magic which thou didst practise all nations were led astray.

Treasury of Scripture Knowledge

Summary

Because of the multitude of the whoredoms of the wellfavoured harlot, the mistress of witchcrafts, that selleth nations through her whoredoms, and families through her witchcrafts.

Bible References

The mistress

Revelation 17:1
Then one of the seven angels who were carrying the seven bowls came and spoke to me. "Come with me," he said, "and I will show you the doom of the great Harlot who sits upon many waters.
Revelation 18:2
and with a mighty voice he cried out, saying, "Great Babylon has fallen, has fallen, and has become a home for demons and a stronghold for every kind of foul spirit and for every kind of foul and hateful bird.