Matthew 3:12
His winnowingshovel is in his hand, and he will thoroughly cleanse his threshingfloor, and gather his wheat into the garner; but the chaff he will burn up with unquenchable fire.
2 Thessalonians 1:8-9
in flaming fire, taking vengeance on them that know not God, and that obey not the gospel of our Lord Jesus;
Hebrews 2:3
how shall we escape, if we neglect so great salvation, which at the first was spoken through the Lord, and was confirmed to us through those who heard him,
Hebrews 10:28-29
He that hath set at nought the law of Moses dieth without mercy under two or three witnesses;
Hebrews 12:18-21
For ye have not come to a mount that can be touched, and burning with fire, and to blackness, and darkness, and tempest,
Hebrews 12:29
For our God is a consuming fire.
Revelation 22:20
He who testifieth these things saith, Yea, I come quickly. Amen; come, Lord Jesus!