Hebrews 12:29
For our God is also a consuming fire.
2 Thessalonians 1:8
He will come in flames of fire to take vengeance on those who have no knowledge of God, and do not obey the Good News as to Jesus, our Lord.
2 Peter 3:10-12
The day of the Lord will come like a thief--it will be a day on which the heavens will pass away with a rushing noise, the elements be destroyed in the fierce heat, and the earth and all the works of man be utterly burnt up.
Revelation 11:5
And if any one seeks to injure them--fire comes from their mouths and devours their enemies; and if any one seeks to injure them, he will in this way certainly be killed.
Revelation 20:15
And if any one's name was not found recorded in the Book of Life he was thrown into the Lake of fire.