Revelation 9:9
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.
Job 39:25
for the blasts of the shofar fill him with courage; he smells the battle afar off, the thunder of the princes and the sound of the battle-cry.
Job 40:18
His bones are as strong as brass; his members are like bars of iron.
Job 41:23-30
The failings of his flesh are joined together; his flesh is firm in him and does not move.
Isaiah 9:5
For every battle of him who fights is with shaking of the earth and the rolling of garments in blood; but this shall be with burning and consuming of fire.
Joel 2:5-8
Like the thunder of chariots they shall leap over the tops of mountains, like the noise of a flame of fire that devours the stubble, as a strong people set in battle array.
Nahum 2:4-5
The chariots shall rage in the streets; they shall flow through the streets, their faces like torches; they shall run like the lightnings.
Revelation 9:17
And thus I saw the horses in the vision, and those 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.