Revelation 14:18
Then another angel came out of the altar; he had power over fire, and he called in a loud voice to the angel that had the sharp sickle-- 'Take your sharp sickle, and gather the bunches from the Vine of Earth, for its grapes are ripe.'
Revelation 16:8
Then the fourth angel emptied his bowl upon the sun; and he was permitted to scorch men with fire;
Revelation 6:9-10
When the Lamb opened the fifth seal, I saw under the altar the souls of those who had been killed for the sake of God's Message and for the testimony which they had borne.
Revelation 14:15-16
Then another angel came out from the Temple, crying in a loud voice to him who was sitting on the cloud-- 'Take your sickle and reap, for the time to reap has come; the Harvest of Earth is ready.'