Jude 6

And the angels which kept not their first state. These angels, then, had fallen. Created holy, they had sinned and become wicked angels, or evil spirits.

See PNT 2Pe 2:4.

And left their own habitation. Their own proper home. Some see a reference to Ge 6:2.

He hath reserved in everlasting chains under darkness. God hath imprisoned them and kept them for judgment.
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