Revelation 20:1

Then I saw an angel descending from heaven, holding in his hand the key to the abyss and a huge chain.

Revelation 1:18

and the one who lives! I was dead, but look, now I am alive -- forever and ever -- and I hold the keys of death and of Hades!

Revelation 10:1

Then I saw another powerful angel descending from heaven, wrapped in a cloud, with a rainbow above his head; his face was like the sun and his legs were like pillars of fire.

Luke 8:31

And they began to beg him not to order them to depart into the abyss.

2 Peter 2:4

For if God did not spare the angels who sinned, but threw them into hell and locked them up in chains in utter darkness, to be kept until the judgment,

Jude 1:6

You also know that the angels who did not keep within their proper domain but abandoned their own place of residence, he has kept in eternal chains in utter darkness, locked up for the judgment of the great Day.

Revelation 9:1-2

Then the fifth angel blew his trumpet, and I saw a star that had fallen from the sky to the earth, and he was given the key to the shaft of the abyss.

Revelation 18:1

After these things I saw another angel, who possessed great authority, coming down out of heaven, and the earth was lit up by his radiance.

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
Then I saw another powerful angel descending from heaven, wrapped in a cloud, with a rainbow above his head; his face was like the sun and his legs were like pillars of fire.
Revelation 18:1
After these things I saw another angel, who possessed great authority, coming down out of heaven, and the earth was lit up by his radiance.

Having

Revelation 1:18
and the one who lives! I was dead, but look, now I am alive -- forever and ever -- and I hold the keys of death and of Hades!
Revelation 9:1
Then the fifth angel blew his trumpet, and I saw a star that had fallen from the sky to the earth, and he was given the key to the shaft of the abyss.
Luke 8:31
And they began to beg him not to order them to depart into the abyss.

A great

2 Peter 2:4
For if God did not spare the angels who sinned, but threw them into hell and locked them up in chains in utter darkness, to be kept until the judgment,
Jude 1:6
You also know that the angels who did not keep within their proper domain but abandoned their own place of residence, he has kept in eternal chains in utter darkness, locked up for the judgment of the great Day.

General references

Matthew 8:31
Then the demons begged him, "If you drive us out, send us into the herd of pigs."
Matthew 12:29
How else can someone enter a strong man's house and steal his property, unless he first ties up the strong man? Then he can thoroughly plunder the house.
Mark 3:27
But no one is able to enter a strong man's house and steal his property unless he first ties up the strong man. Then he can thoroughly plunder his house.
Luke 11:22
But when a stronger man attacks and conquers him, he takes away the first man's armor on which the man relied and divides up his plunder.

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