Romans 6:23 For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord.
Psalm 9:17 The wicked shall be turned into hell, and all the nations that forget God.
Matthew 3:12 Whose fan is in his hand, and he will throughly purge his floor, and gather his wheat into the garner; but he will burn up the chaff with unquenchable fire.
In the Bible when we read about fire or burning it is always pointing to judgment.