Matthew 13:42
and cast them into a furnace of fire; and there shall be weeping and gnashing of teeth.
Matthew 13:50
and cast them into the furnace of fire; there shall be weeping and gnashing of teeth.
Revelation 16:8-9
And the fourth poured out his bowl on the sun, and it was given it to scorch men with fire.
Revelation 20:15
And whoever was not found enrolled in the book of life was cast into the lake of fire.
Revelation 21:8
But the fearful and unbelieving and abominable and murderers and fornicators and sorcerers and idolaters and all liars shall have their part in the lake which burns with fire and sulphur, which is the second death.