17 In my vision the horses and the horsemen looked like this: Their breastplates were red, blue, and yellow; the horses' heads were like lions' heads, and fire, smoke, and sulphur kept pouring out of their mouths.
Revelation 9:17 Cross References - Williams
Revelation 9:9
9 they had breastplates that seemed to be made of steel; the noise of their wings was like the noise of vast numbers of chariots and horses rushing into battle;
Revelation 9:18
18 One-third of mankind was killed by these three plagues: the fire, smoke, and sulphur that kept pouring out of their mouths.
Revelation 11:5
5 If anyone wants to injure them, fire comes out of their mouths and consumes their enemies; if anyone wants to injure them, he must himself be killed in that way.
Revelation 14:10
10 himself will have to drink the wine of God's vengeance, poured unmixed into the cup of His wrath, and be tortured with fire and brimstone before the eyes of the holy angels and the Lamb.
Revelation 19:20
20 Then the wild beast was captured and with him the false prophet who performed wonders in his presence, by which he led astray those who let the mark of the wild beast be put on them and worshiped his statue. Both of them were hurled alive into the fiery lake that burns with brimstone.
Revelation 20:10
10 Then the devil who led them astray was hurled into the fiery lake of burning brimstone, where the wild beast and false prophet were, and there they are to be tortured day and night forever and ever.
Revelation 21:8
8 But the cowards, the unfaithful, the polluted, the murderers, the sexually immoral, the practicers of magic, the worshipers of idols, and all liars will have their portion in the lake that keeps on burning with fire and brimstone. This is the second death."
Revelation 21:20
20 the fifth sardonyx, the sixth sardius, the seventh chrysolite, the eighth beryl, the ninth topaz, the tenth chrysoprase, the eleventh jacinth, the twelfth amethyst.