Revelation 14:18
And yet another angel came out from the altar. He had power over fire; and cried with a loud cry to him that had the sharp sickle. He said: Thrust in your sharp sickle, and gather the clusters of the vine of the earth; for her grapes are fully ripe.
Joel 3:13
Thrust in the sickle for the harvest is ripe! Come and tread for the winepress is full and the vats overflow. Their wickedness is great.
Revelation 16:8
The fourth angel poured out his bowl on the sun. Authority was given to him to scorch men with fire.
Revelation 6:9-10
When the Lamb opened the fifth seal, I saw under the altar the persons who were slaughtered because of the word of God, and for the witness they gave.
Revelation 14:15-16
Another angel came out of the temple, crying with a loud voice to him who sat on the cloud: Thrust in your sickle, and reap! The time has come for you to reap; for the harvest of the earth is ripe.