2 Thessalonians 1:8

in flaming fire. Then shall he take vengeance on those who know not God, even on those who do not obey the gospel of our Lord Jesus.

Hebrews 12:29

FOR INDEED OUR GOD IS A CONSUMING FIRE.

Revelation 1:14-16

His head and his hair were as white as wool, as white as snow; his eyes were like a flame of fire,

Treasury of Scripture Knowledge

Summary

And I saw as the colour of amber, as the appearance of fire round about within it, from the appearance of his loins even upward, and from the appearance of his loins even downward, I saw as it were the appearance of fire, and it had brightness round about.

Bible References

The appearance of fire

2 Thessalonians 1:8
in flaming fire. Then shall he take vengeance on those who know not God, even on those who do not obey the gospel of our Lord Jesus.
Hebrews 12:29
FOR INDEED OUR GOD IS A CONSUMING FIRE.
Revelation 1:14
His head and his hair were as white as wool, as white as snow; his eyes were like a flame of fire,