2 Thessalonians 1:7
and to you who are troubled, rest with us, at the revelation of the Lord Jesus Christ from heaven with his mighty angels,
2 Peter 2:11
Whereas the angels, though so much greater in might and power, bring not a reviling accusation against them before the Lord.
Revelation 10:1
AND I saw another mighty angel descending from heaven, clothed with a cloud; and a rainbow on his head, and his countenance as the sun, and his feet as pillars of fire:
Revelation 18:21
And a mighty angel took up a stone as a great milestone, and cast it into the sea, saying, So with rapidity shall the great city Babylon be hurled into the deep, and never shall be found more.