2 Peter 2:2-4

New King James Version

² And many will follow their destructive ways, because of whom the way of truth will be blasphemed. ³ By covetousness they will exploit you with deceptive words; for a long time their judgment has not been idle, and their destruction ^[a]does not slumber.

Doom of False Teachers

⁴ For if God did not spare the angels who sinned, but cast them down to ^[b]hell and delivered them into chains of darkness, to be reserved for judgment;