Revelation 11:5

Weymouth NT

And if any one seeks to injure them–fire comes from their mouths and devours their enemies; and if any one seeks to injure them, he will in this way certainly be killed.

Cross References

Revelation 13:13

He also works great miracles, so as even to make fire come down from Heaven to earth in the presence of human beings.

Revelation 9:17

And this was the appearance of the horses which I saw in my vision–and of their riders. The body-armour of the riders was red, blue and yellow; and the horses' heads were shaped like the heads of lions, while from their mouths there came fire and smoke and sulphur.