Revelation 11:5

if any man should offer to hurt them, fire will proceed out of their mouth, and destroy their enemies: whoever should hurt them, would by this means perish.

Treasury of Scripture Knowledge

Summary

There went up a smoke out of his nostrils, and fire out of his mouth devoured: coals were kindled by it.

Bible References

Fire

Revelation 11:5
if any man should offer to hurt them, fire will proceed out of their mouth, and destroy their enemies: whoever should hurt them, would by this means perish.