Revelation 12:3

12:3 Then another sign appeared in heaven: a huge red dragon that had seven heads and ten horns, and on its heads were seven diadem crowns.

Revelation 15:1

The Final Plagues

15:1 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).

Revelation 15:6

15:6 and the seven angels who had the seven plagues came out of the temple, dressed in clean bright linen, wearing wide golden belts around their chests.