because His judgments are true and righteous, because He has judged the notorious prostitute who corrupted the earth with her sexual immorality; and He has avenged the blood of His servants that was on her hands.
Revelation 19:2 In-Context
After this I heard what sounded like the roar of a great multitude in heaven shouting: “Hallelujah! Salvation and glory and power belong to our God,
for true and just are his judgments. He has condemned the great prostitute who corrupted the earth by her adulteries. He has avenged on her the blood of his servants.”
And again they shouted: “Hallelujah! The smoke from her goes up for ever and ever.”
The twenty-four elders and the four living creatures fell down and worshiped God, who was seated on the throne. And they cried: “Amen, Hallelujah!”
Then a voice came from the throne, saying: “Praise our God, all you his servants, you who fear him, both great and small!”