Revelation 9:17
“And thus I saw the horses in the vision, and them that sat on them, having breastplates of fire, and of jacinth, and brimstone: and the heads of the horses were as the heads of lions; and out of their mouths issued fire and smoke and brimstone.”
And the four angels were loosed, which were prepared for an hour, and a day, and a month, and a year, for to slay the third part of men.
And the number of the army of the horsemen were two hundred thousand thousand: and I heard the number of them.
And thus I saw the horses in the vision, and them that sat on them, having breastplates of fire, and of jacinth, and brimstone: and the heads of the horses were as the heads of lions; and out of their mouths issued fire and smoke and brimstone.
By these three was the third part of men killed, by the fire, and by the smoke, and by the brimstone, which issued out of their mouths.
For their power is in their mouth, and in their tails: for their tails were like unto serpents, and had heads, and with them they do hurt.
Why This Verse Was Tagged
This verse was identified through meaning similarity — its content is mathematically close to known verses in this theme, even without sharing the same vocabulary.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Stand therefore, having your loins girt about with truth, and having on the breastplate of righteousness;”
“By these three was the third part of men killed, by the fire, and by the smoke, and by the brimstone, which issued out of their mouths.”
“By these three was the third part of men killed, by the fire, and by the smoke, and by the brimstone, which issued out of their mouths.”
“Upon the wicked he shall rain snares, fire and brimstone, and an horrible tempest: this shall be the portion of their cup.”
“And they had breastplates, as it were breastplates of iron; and the sound of their wings was as the sound of chariots of many horses running to battle.”