The Seven Last Plagues
Seven angels with the seven last plagues prepare to pour out God's wrath — the final act before the new creation.
Then I saw in heaven another sign, great and awe-inspiring: seven angels with the seven last plagues, for through them God's fury is accomplished.
[1-4] A vision of the victorious martyrs precedes the vision of woe in ⇒ Rev 15:5-⇒ 16:21; cf ⇒ Rev 7:9-12. [⇒ 15:1-⇒ 16:21] The seven bowls, the third and last group of seven after the seven seals and the seven trumpets, foreshadow the final cataclysm. Again, the series is introduced by a heavenly prelude, in which the victors over the beast sing the canticle of Moses (⇒ Rev 15:2-4).
Then I saw something like a sea of glass mingled with fire. On the sea of glass were standing those who had won the victory over the beast and its image and the number that signified its name. They were holding God's harps,
[2] Mingled with fire: fire symbolizes the sanctity involved in facing God, reflected in the trials that have prepared the victorious Christians or in God's wrath.
and they sang the song of Moses, the servant of God, and the song of the Lamb: "Great and wonderful are your works, Lord God almighty. Just and true are your ways, O king of the nations.
[3] The song of Moses: the song that Moses and the Israelites sang after their escape from the oppression of Egypt (⇒ Exodus 15:1-18). The martyrs have escaped from the oppression of the Devil. Nations: many other Greek manuscripts and versions read "ages."
Who will not fear you, Lord, or glorify your name? For you alone are holy. All the nations will come and worship before you, for your righteous acts have been revealed."