Revelation 20:1
And I saw an angel descending out of heaven, having the key of the bottomless pit, and a great chain in his hand.
Revelation 1:18
And he that liveth and was dead, and behold I am alive for evermore, and have the keys of death and of Hades.
Revelation 10:1
And I saw another mighty angel coming down from heaven clothed with a cloud, and a rainbow upon his head, and his face as the sun, and his feet as pillars of fire.
Luke 8:31
And they besought him, that he would not command them to go into the abyss.
2 Peter 2:4
For if God spared not the angels that sinned, but cast them down to hell, delivered them to chains of darkness,
Jude 1:6
And the angels, who kept not their first dignity, but left their own habitation, he hath reserved in everlasting chains under darkness to the judgment of the great day.
Revelation 9:1-2
And the fifth angel sounded, and I saw a star falling from heaven upon the earth, and to him was given the key of the bottomless pit.
Revelation 18:1
And after this I saw another angel coming down out of heaven, having great power, and the earth was inlightned with his glory.