Revelation 5:2

And I saw a mighty messenger proclaiming with a great voice, Who is worthy to open the scroll, and to loose its seals?

Revelation 5:5

And one of the elders said to me, Weep not; behold the Lion of the tribe of Judah, the Root of David, has prevailed to open the scroll and its seven seals.

Revelation 18:21

And a strong angel took a stone, like a great millstone, and cast it into the sea; saying, Thus shall Babylon, the great city, he dashed down with violence, and never be found again.

Revelation 10:1

And I saw another mighty angel descending from heaven, clothed with a cloud; and a rainbow was about his head, and his face was as the sun, and his feet like pillars of fire.

Treasury of Scripture Knowledge

Summary

And I saw a strong angel proclaiming with a loud voice, Who is worthy to open the book, and to loose the seals thereof?

Bible References

Who

Revelation 5:5
And one of the elders said to me, Weep not; behold the Lion of the tribe of Judah, the Root of David, has prevailed to open the scroll and its seven seals.