Revelation 9:17-19

King James Version

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.

¹⁸ 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.

¹⁹ 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.