Revelation 18:6 KJV
Reward her even as she rewarded you, and double unto her double according to her works: in the cup which she hath filled fill to her double.
Revelation 18:4–8 KJV Chapter Context
4
And I heard another voice from heaven, saying, Come out of her, my people, that ye be not partakers of her sins, and that ye receive not of her plagues.
5
For her sins have reached unto heaven, and God hath remembered her iniquities.
6
Reward her even as she rewarded you, and double unto her double according to her works: in the cup which she hath filled fill to her double.
7
How much she hath glorified herself, and lived deliciously, so much torment and sorrow give her: for she saith in her heart, I sit a queen, and am no widow, and shall see no sorrow.
8
Therefore shall her plagues come in one day, death, and mourning, and famine; and she shall be utterly burned with fire: for strong is the Lord God who judgeth her.