2 Peter 2:4; 2 Peter 2:20

2 Peter 2:4

4 For if God did not spare angels when they sinned, but cast them into hell and committed them to pits of darkness, reserved for judgment;

2 Peter 2:20

20 For if, after they have escaped the defilements of the world by the knowledge of the Lord and Savior Jesus Christ, they are again entangled in them and are overcome, the last state has become worse for them than the first.