Revelation 9:18

A third of mankind was killed by these three plagues, by the fire and the smoke and the brimstone which proceeded out of their mouths.

Revelation 9:15

And the four angels, who had been prepared for the hour and day and month and year, were released, so that they would kill a third of mankind.

Revelation 9:17

And this is how I saw in the vision the horses and those who sat on them: the riders had breastplates the color of fire and of hyacinth and of brimstone; and the heads of the horses are like the heads of lions; and out of their mouths proceed fire and smoke and brimstone.

Treasury of Scripture Knowledge

Summary

By these three was the third part of men killed, by the fire, and by the smoke, and by the brimstone, which issued out of their mouths.

The third

Bible References

The third

Revelation 9:15
And the four angels, who had been prepared for the hour and day and month and year, were released, so that they would kill a third of mankind.