Job 41:21 KJV

His breath kindleth coals, and a flame goeth out of his mouth.
Job 41:21, King James Version

In context

20 Out of his nostrils goeth smoke, as out of a seething pot or caldron.

21 His breath kindleth coals, and a flame goeth out of his mouth.

22 In his neck remaineth strength, and sorrow is turned into joy before him.