Revelation 20:1

AND I saw an angel descending from heaven, having the key of the abyss [of hell], and a great chain in his hand:

Revelation 1:18

and I am the living one, though I was dead and lo! I am alive for evermore, Amen; and I hold the keys of hell and of death.

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:

Luke 8:31

And he besought him that he would not order them to go into the abyss.

2 Peter 2:4

For if God spared not the angels when they sinned, but casting them bound in chains of darkness into hell, delivered them to be kept fast until the judgment;

Jude 1:6

And the angels who preserved not their own primitive state, but deserted their proper abode, hath he reserved in everlasting chains under darkness, unto the judgment of the great day.

Revelation 9:1-2

AND the fifth angel sounded, and I saw a star fall from heaven to the earth; and to him was given the key of the pit of the abyss [of hell].

Revelation 18:1

AND after these things I saw an angel descending from heaven, having great authority; and the earth was enlightened by his glory.

Treasury of Scripture Knowledge

Summary

Revelation 20:1

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

I saw

Revelation 10:1

Revelation 18:1

Having

Revelation 1:18

Revelation 9:1

Luke 8:31

A great

2 Peter 2:4

Jude 1:6

General references

Bible References

I saw

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:

AND after these things I saw an angel descending from heaven, having great authority; and the earth was enlightened by his glory.

Having

and I am the living one, though I was dead and lo! I am alive for evermore, Amen; and I hold the keys of hell and of death.

AND the fifth angel sounded, and I saw a star fall from heaven to the earth; and to him was given the key of the pit of the abyss [of hell].

And he besought him that he would not order them to go into the abyss.

A great

For if God spared not the angels when they sinned, but casting them bound in chains of darkness into hell, delivered them to be kept fast until the judgment;

And the angels who preserved not their own primitive state, but deserted their proper abode, hath he reserved in everlasting chains under darkness, unto the judgment of the great day.

General references

Then the devils besought him, saying, If thou cast us out, permit us to go into the herd of swine.

Else how can one enter into a strong man's house and plunder his goods, except he first bind the strong man, and then will he plunder his goods?

No man entering into his house, can plunder a strong man's goods, unless he first bind the strong man, then indeed he spoileth his house.

But when a stronger person than he coming, vanquisheth him, he takes away his suit of armour in which he confided, and distributes the spoils.