NET
1 Then I saw another great and astounding sign in heaven: seven angels who have seven final plagues (they are final because in them God’s anger is completed).
Darby
1 And I saw another sign in the heaven, great and wonderful: seven angels having seven plagues, the last; for in them the fury of God is completed.
KJV
1 And I saw another sign in heaven, great and marvellous, seven angels having the seven last plagues; for in them is filled up the wrath of God.