“And in her was found the blood of prophets, and of saints, and of all that were slain upon the earth.” (Rev. 18:24 KJV)
God has gotten vengeance on Babylon for His people. He has avenged the blood of those that were martyred and suffered persecution.
“And they cried with a loud voice, saying, How long, O Lord, holy and true, dost thou not judge and avenge our blood on them that dwell on the earth?” (Rev. 6:10 KJV)
22 And the voice of harpers, and musicians, and of pipers, and trumpeters, shall be heard no more at all in thee; and no craftsman, of whatsoever craft he be, shall be found any more in thee; and the sound of a millstone shall be heard no more at all in thee;
23 And the light of a candle shall shine no more at all in thee; and the voice of the bridegroom and of the bride shall be heard no more at all in thee: for thy merchants were the great men of the earth; for by thy sorceries were all nations deceived. (Rev. 18:22-23 KJV)