Revelation 14:18
And another angel came from the altar, the angel who has power over fire, and he called with a loud voice to the one who had the sharp sickle, saying, "Thrust in your sharp sickle, And gather the clusters of the vine of the earth, For its grapes are fully ripe."
Revelation 16:8
And the fourth angel poured out his bowl upon the sun, and the sun was permitted to scorch men with fire.
Revelation 6:9-10
And when he opened the fifth seal, I saw underneath the altar the souls of those who had been slain for the word of God, and for the testimony which they bore.
Revelation 14:15-16
And another angel came out of the temple, shouting with a loud voice to him who sat on the cloud. "Thrust in your sickle, and reap; for the time to reap is come. The harvest of the earth is overripe."