Revelation 14:5-9

And no lie was found in their mouths; they are blameless. Vision of the Angel with the Gospel

And I saw another angel flying in midheaven with an eternal gospel to preach to those who live on the earth, and to every nation, tribe, language, and people;

and he said with a loud voice, “Fear God and give Him glory, because the hour of His judgment has come; worship Him who made the heaven and the earth, and sea and springs of waters.”

And another angel, a second one, followed, saying, “Fallen, fallen is Babylon the great, she who has made all the nations drink of the wine of the passion of her sexual immorality.” Doom for Worshipers of the Beast

Then another angel, a third one, followed them, saying with a loud voice, “If anyone worships the beast and his image, and receives a mark on his forehead or on his hand,