Revelation 9:18-21

With these three-by the fire, by the smoke, and by the brimstone-that went out of their mouths, they slew a third part of men.

Revelation 16:1-21

And I heard a great voice out of the temple saying, to the seven angels, Go, and pour out the vials of the wrath of God upon the earth.

Treasury of Scripture Knowledge

Summary

Therefore he hath poured upon him the fury of his anger, and the strength of battle: and it hath set him on fire round about, yet he knew not; and it burned him, yet he laid it not to heart.

Bible References

He knew

Revelation 9:18
With these three-by the fire, by the smoke, and by the brimstone-that went out of their mouths, they slew a third part of men.
Revelation 16:9
And men were scorched with great heat, and they reviled the name of God, who had power over these plagues, and reformed not, to give him glory.