Revelation 5:2

5:2 And I saw a powerful angel proclaiming in a loud voice: “Who is worthy to open the scroll and to break its seals?”

Revelation 20:11

The Great White Throne

20:11 Then I saw a large white throne and the one who was seated on it; the earth and the heaven fled from his presence, and no place was found for them.

Revelation 21:17

21:17 He also measured its wall, one hundred forty-four cubits according to human measurement, which is also the angel’s.