Revelation 14:18
Then another angel came out from the altar, the one who has power over fire, and he called with a loud voice to him who had the sharp sickle, "Put in your sharp sickle, and gather the clusters from the vine of the earth, because its grapes are ripe."
Revelation 16:8
The fourth angel poured out his bowl on the sun, and it was given to it to scorch men with fire.
Revelation 6:9-10
When he opened the fifth seal, I saw under the altar the souls of those who had been slain because of the word of God and the testimony they had maintained;
Revelation 14:15-16
And another angel came out of the temple, crying out with a loud voice to him who sat on the cloud, "Put in your sickle and reap, for the hour to reap has come, because the harvest of the earth is ripe."