Bible Verses About Brimstone: Figurative

Now the horses and riders in my vision looked like this: The riders had breastplates the colors of fire, sapphire, and sulfur. The heads of the horses were like the heads of lions, and out of their mouths proceeded fire, smoke, and sulfur.

A third of mankind was killed by the three plagues of fire, smoke, and sulfur that proceeded from their mouths.