Revelation 14:18

New King James Version

And another angel came out from the altar, who had power over fire, and he cried with a loud cry to him who had the sharp sickle, saying, “Thrust in your sharp sickle and gather the clusters of the vine of the earth, for her grapes are fully ripe.”

Cross References

Joel 3:13

Put in the sickle, for the harvest is ripe. Come, go down; For the winepress is full, The vats overflow— For their wickedness is great.”

Mark 4:29

But when the grain ripens, immediately he puts in the sickle, because the harvest has come.”

Revelation 16:7

And I heard another from the altar saying, “Even so, Lord God Almighty, true and righteous are Your judgments.”

Revelation 16:8

Then the fourth angel poured out his bowl on the sun, and power was given to him to scorch men with fire.

Revelation 8:3

Then another angel, having a golden censer, came and stood at the altar. He was given much incense, that he should offer it with the prayers of all the saints upon the golden altar which was before the throne.