2 Peter 2:4-6

For if God did not spare angels who had sinned, but committing them to pits of the nether gloom in Tartarus, reserved them under punishment for doom:

Revelation 2:10

Have no fear of what you are to suffer. The devil indeed is going to put some of you in prison, that you may be tested; you will have a distressful ten days. Be faithful, though you have to die for it, and I will give you the crown of Life.

Revelation 3:11

I am coming very soon: hold to what you have, in case your crown is taken from you.

Treasury of Scripture Knowledge

Summary

The crown is fallen from our head: woe unto us, that we have sinned!

Bible References

The crown

Revelation 2:10
Have no fear of what you are to suffer. The devil indeed is going to put some of you in prison, that you may be tested; you will have a distressful ten days. Be faithful, though you have to die for it, and I will give you the crown of Life.
Revelation 3:11
I am coming very soon: hold to what you have, in case your crown is taken from you.