Hebrews 12:29
For our God is a consuming fire.
2 Thessalonians 1:8
In flaming fire, taking vengeance on them who know not God, and who obey not the gospel of our Lord Jesus Christ.
2 Peter 3:10-12
But the day of the Lord will come as a thief in the night, in which the heavens shall pass away with a great noise, the elements shall melt with fervent heat, and the earth, and the works that are therein, shall be burnt up.
Revelation 11:5
And if any one would hurt them, fire proceedeth out of their mouth and devoureth their enemies, and if any would kill them, he must thus be killed.
Revelation 20:15
And whosoever was not found written in the book of life was cast into the lake of fire.