2 Peter 2:4

For God, indeed, did not spare the angels who sinned, but with chains of darkness confining them in Tartarus, delivered them over to be kept for judgment;

Jude 1:6

Also, the angels who kept not their first estate, but left their proper habitation, he has reserved in everlasting chains, under darkness, to the judgment of the great day.

Revelation 12:7-9

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

Revelation 14:10

he also shall drink of the wine of the indignation of God, which is tempered, without mixture, in the cup of his wrath; and he shall be tormented with fire and brimstone in the presence of the holy angels, and in the presence of the Lamb.

Treasury of Scripture Knowledge

Summary

I charge thee before God, and the Lord Jesus Christ, and the elect angels, that thou observe these things without preferring one before another, doing nothing by partiality.

Bible References

The elect

2 Peter 2:4
For God, indeed, did not spare the angels who sinned, but with chains of darkness confining them in Tartarus, delivered them over to be kept for judgment;
Jude 1:6
Also, the angels who kept not their first estate, but left their proper habitation, he has reserved in everlasting chains, under darkness, to the judgment of the great day.
Revelation 12:7
And there was war in heaven: Michael and his angels made war against the dragon; and the dragon made war, and his angels:
Revelation 14:10
he also shall drink of the wine of the indignation of God, which is tempered, without mixture, in the cup of his wrath; and he shall be tormented with fire and brimstone in the presence of the holy angels, and in the presence of the Lamb.