Revelation 16:8-9

And the fourth angel poured forth his vial on the sun; and power was given to it to scorch men with fire.

Revelation 20:15

And if any one was not found written in the book of life, he was cast into the lake of fire.

Revelation 21:8

But, as for the cowards, and unbelieving, and the abominable, and murderers, and prostitutes, and sorcerers, and idolaters, and all liars-their part shall be in the lake which burns with fire and brimstone, which is the second death.

Treasury of Scripture Knowledge

Summary

Let burning coals fall upon them: let them be cast into the fire; into deep pits, that they rise not up again.

Burning coals

Bible References

Burning coals

Revelation 16:8
And the fourth angel poured forth his vial on the sun; and power was given to it to scorch men with fire.

Into deep

Revelation 20:15
And if any one was not found written in the book of life, he was cast into the lake of fire.
Revelation 21:8
But, as for the cowards, and unbelieving, and the abominable, and murderers, and prostitutes, and sorcerers, and idolaters, and all liars-their part shall be in the lake which burns with fire and brimstone, which is the second death.