Thematic Bible: The army of horsemen

And the number of the army of horsemen was two hundred millions: I heard their number. And thus I saw the horses in the vision and them that sat on them, having breast-plates of fire and hyacinth and brimstone: and the heads of the horses are as the heads of lions, and out of their mouths goeth fire, and smoke and brimstone. By these three plagues were the third part of men killed, by the fire, and the smoke, and the brimstone which went out of their mouths. read more.
For the power of the horses is in their mouths and in their tails; for their tails are like serpents, having heads, and with them they do hurt.