Matthew 3:12

His winnowing fork is in his hand, and he will clean up his threshing-floor, and store his wheat in his barn, but he will burn up the chaff with inextinguishable fire."

Matthew 8:12

while the heirs to the kingdom will be driven into the darkness outside, there to weep and grind their teeth!"

Jude 1:13

wild sea waves foaming up their own shame; wandering stars doomed forever to utter darkness.

Treasury of Scripture Knowledge

Summary

All darkness shall be hid in his secret places: a fire not blown shall consume him; it shall go ill with him that is left in his tabernacle.

A fire

Bible References

Darkness

Matthew 8:12
while the heirs to the kingdom will be driven into the darkness outside, there to weep and grind their teeth!"
Jude 1:13
wild sea waves foaming up their own shame; wandering stars doomed forever to utter darkness.

A fire

Matthew 3:12
His winnowing fork is in his hand, and he will clean up his threshing-floor, and store his wheat in his barn, but he will burn up the chaff with inextinguishable fire."