Revelation 20:1

And I saw an angel come down from Heaven, having the key of the abyss and a great chain in his hand.

Revelation 1:18

and the Living One, and I became dead, and behold, I am alive for ever and ever, Amen. And I have the keys of hell and of death.

Revelation 10:1

And I saw another mighty angel coming down out of the heaven, clothed with a cloud. And a rainbow was on his head, and his face was as the sun, and his feet like pillars of fire.

Luke 8:31

And they begged Him that He would not command them to go out into the abyss.

2 Peter 2:4

For if God did not spare sinning angels, but thrust them down into Tartarus, and delivered them into chains of darkness, being reserved to judgment.

Jude 1:6

And those angels not having kept their first place, but having deserted their dwelling-place, He has kept in everlasting chains under darkness for the judgment of a great Day;

Revelation 9:1-2

And the fifth angel sounded. And I saw a star fall from the heaven to the earth, and it was given the key of the abyss.

Revelation 18:1

And after these things I saw another angel come down from Heaven, having great authority. And the earth was lighted up from his glory.

Treasury of Scripture Knowledge

Summary

And I saw an angel come down from heaven, having the key of the bottomless pit and a great chain in his hand.

Bible References

I saw

Revelation 10:1
And I saw another mighty angel coming down out of the heaven, clothed with a cloud. And a rainbow was on his head, and his face was as the sun, and his feet like pillars of fire.
Revelation 18:1
And after these things I saw another angel come down from Heaven, having great authority. And the earth was lighted up from his glory.

Having

Revelation 1:18
and the Living One, and I became dead, and behold, I am alive for ever and ever, Amen. And I have the keys of hell and of death.
Revelation 9:1
And the fifth angel sounded. And I saw a star fall from the heaven to the earth, and it was given the key of the abyss.
Luke 8:31
And they begged Him that He would not command them to go out into the abyss.

A great

2 Peter 2:4
For if God did not spare sinning angels, but thrust them down into Tartarus, and delivered them into chains of darkness, being reserved to judgment.
Jude 1:6
And those angels not having kept their first place, but having deserted their dwelling-place, He has kept in everlasting chains under darkness for the judgment of a great Day;

General references

Matthew 8:31
And the demons begged Him, saying, If You cast us out, allow us to go away into the herd of swine.
Matthew 12:29
Or else how can one enter into a strong man's house and spoil his goods, unless first he binds the strong one, and then he will plunder his house.
Mark 3:27
No one can enter into a strong one's house and plunder his goods, except he first binds the strong man. And then he will plunder his house.
Luke 11:22
But when one stronger than he comes, he overcomes him. He takes from him all his armor in which he trusted, and he distributes his arms.