He performed impressive signs, even making fire (pyr | πῦρ | acc sg neut) come down from heaven in the sight of everyone;

And if anyone tries to harm them, fire (pyr | πῦρ | nom sg neut) comes out of their mouth and devours their enemies. And if anyone tries to harm them, he must be killed in this way.

Then I saw another powerful angel coming down from heaven, wrapped in a cloud, with a rainbow above his head; his face was like the sun, and his legs were like pillars of fire (pyros | πυρός | gen sg neut).

By these three plagues a third of mankind was killed, by the fire (pyros | πυρός | gen sg neut) and the smoke and the sulfur that came out of their mouths.

And this is how I saw the horses in my vision and those who rode them: The riders wore breastplates that were fiery red, dark blue, and yellow like sulfur, and the heads of the horses were like lions’ heads, and out of their mouths came fire (pyr | πῦρ | nom sg neut) and smoke and sulfur.

The second angel blew his trumpet, and something like a great mountain, burning with fire (pyri | πυρί | dat sg neut), was thrown down into the sea, and a third of the sea turned into blood,

The first angel blew his trumpet, and there followed hail and fire (pyr | πῦρ | nom sg neut), mixed with blood, and it was thrown down on the earth, and a third of the earth was burned up, and a third of the trees were burned up, and all the green grass was burned up.

Then the angel took the censer and filled it with fire (pyros | πυρός | gen sg neut) from the altar and threw it down on the earth, and there were peals of thunder, rumblings, flashes of lightning, and an earthquake.

Out from the throne came flashes of lightning, rumblings, and peals of thunder. Seven torches of fire (pyros | πυρός | gen sg neut), which are the seven spirits of God, were burning before the throne,

I counsel you to buy from me gold refined by fire (pyros | πυρός | gen sg neut) so you can be rich; and white garments to clothe yourself so your shameful nakedness will not be exposed; and salve to put on your eyes so you can see!