2 Peter 2:4

For if God spared not angels that sinned, but cast them down to hell, and delivered them over to chains of darkness, to be reserved unto judgment;

Jude 1:6

and the angels which kept not their principality, but left their own dwellingplace, he hath kept in everlasting chains under darkness unto the judgment of the great day;

Matthew 25:41

Then will he say also to those on the left hand, Depart from me, ye cursed, into the everlasting fire, which is prepared for the Devil and his angels.

Revelation 20:10

And the Devil who deceived them was cast into the lake of fire and brimstone, where are also the beast and the false prophet; and they will be tormented day and night for ever and ever.

Revelation 12:7-9

And there was war in heaven; Michael and his angels fought against the dragon; and the dragon fought and his angels,

Luke 8:31

And they besought him not to command them to go away into the abyss.

Luke 10:18

And he said to them, I saw Satan fall from heaven like lightning.

John 8:44

Ye are of your father the Devil, and what your father desireth ye are ready to do. He was a murderer from the beginning; and he abideth not in the truth, because there is no truth in him. When he speaketh a lie, he speaketh from his own nature; for he is a liar, and the father of it.

2 Peter 2:5

and spared not the old world, but saved Noah with seven others, a preacher of righteousness, when he brought in the flood upon the world of the ungodly;

2 Peter 2:9

the Lord knoweth how to deliver the godly out of temptation, and to reserve the unrighteous under punishment to the day of judgment;

2 Peter 2:11

whereas angels, who are greater in strength and power, bring not against them a railing accusation;

1 John 3:8

He that committeth sin is of the Devil; for the Devil sinneth from the beginning. For this purpose the Son of God was manifested, that he might destroy the works of the Devil.

Jude 1:13

raging waves of the sea, foaming out their own shame; wandering stars, for whom is reserved the blackness of darkness for ever.

Revelation 20:1-3

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

Matthew 8:29

And lo! they cried out, saying, What have we to do with thee, Son of God? Didst thou come here to torment us before the time?

Mark 5:7

and cried out with a loud voice, and said, What have I to do with thee, Jesus, Son of the most high God? I adjure thee by God, do not torment me.

Romans 8:32

He who spared not his own Son, but delivered him up for us all, how shall he not also with him freely give us all things?

Romans 11:21

For if God spared the natural branches, take care lest he spare not thee.

Treasury of Scripture Knowledge

Summary

For if God spared not the angels that sinned, but cast them down to hell, and delivered them into chains of darkness, to be reserved unto judgment;

Bible References

Spared

2 Peter 2:5
and spared not the old world, but saved Noah with seven others, a preacher of righteousness, when he brought in the flood upon the world of the ungodly;
Romans 8:32
He who spared not his own Son, but delivered him up for us all, how shall he not also with him freely give us all things?
Romans 11:21
For if God spared the natural branches, take care lest he spare not thee.

The angels

Luke 10:18
And he said to them, I saw Satan fall from heaven like lightning.
John 8:44
Ye are of your father the Devil, and what your father desireth ye are ready to do. He was a murderer from the beginning; and he abideth not in the truth, because there is no truth in him. When he speaketh a lie, he speaketh from his own nature; for he is a liar, and the father of it.
1 John 3:8
He that committeth sin is of the Devil; for the Devil sinneth from the beginning. For this purpose the Son of God was manifested, that he might destroy the works of the Devil.
Jude 1:6
and the angels which kept not their principality, but left their own dwellingplace, he hath kept in everlasting chains under darkness unto the judgment of the great day;

But

Matthew 8:29
And lo! they cried out, saying, What have we to do with thee, Son of God? Didst thou come here to torment us before the time?
Matthew 25:41
Then will he say also to those on the left hand, Depart from me, ye cursed, into the everlasting fire, which is prepared for the Devil and his angels.
Mark 5:7
and cried out with a loud voice, and said, What have I to do with thee, Jesus, Son of the most high God? I adjure thee by God, do not torment me.
Luke 8:31
And they besought him not to command them to go away into the abyss.
Revelation 12:7
And there was war in heaven; Michael and his angels fought against the dragon; and the dragon fought and his angels,
Revelation 20:2
And he laid hold of the dragon, the old serpent, which is the Devil and Satan, and bound him a thousand years,

Into

2 Peter 2:11
whereas angels, who are greater in strength and power, bring not against them a railing accusation;
Jude 1:6
and the angels which kept not their principality, but left their own dwellingplace, he hath kept in everlasting chains under darkness unto the judgment of the great day;

To be

2 Peter 2:9
the Lord knoweth how to deliver the godly out of temptation, and to reserve the unrighteous under punishment to the day of judgment;
Jude 1:13
raging waves of the sea, foaming out their own shame; wandering stars, for whom is reserved the blackness of darkness for ever.