Hebrews 12:29
for, verily, our God is a consuming fire.
2 Thessalonians 1:8
awarding vengeance to those who know not God, and to those who obey not the Gospel of our Lord Jesus;
2 Peter 3:10-12
But the day of the Lord will come as a thief, in which the heavens will pass away with a rushing noise, and the elements, being intensely hot, shall be dissolved, and the earth and the works therein shall be burned up.
Revelation 11:5
And, if anyone wishes to injure them, fire issues out of their mouth, and devours their enemies; and, if anyone wishes to injure them, he must in this manner be slain.
Revelation 20:15
And, if anyone was not found written in the book of life, he was cast into the lake of fire.