Revelation 20:1
Then I saw an angel coming down from heaven with the key to the abyss
Revelation 1:18
Revelation 10:1
Then I saw another mighty angel
Luke 8:31
And they begged Him not to banish them to the abyss.
2 Peter 2:4
For if God didn’t spare
Jude 1:6
and He has kept, with eternal chains in darkness for the judgment of the great day, the angels
Revelation 9:1-2
The fifth angel blew his trumpet, and I saw a star that had fallen from heaven to earth.
Revelation 18:1
After this I saw another angel with great authority coming down from heaven, and the earth was illuminated by his splendor.