Revelation 14:18

Then another angel [i.e., the sixth] came out of the Altar. He had authority over [its] fire and he called out in a loud voice to the one who had the sharp sickle [i.e., the fifth angel] saying, "Use your sharp sickle to gather the clusters from the vines of the earth, for its grapes are ripe."

Revelation 16:8

Then the fourth [angel] poured out his bowl on the sun, and it was allowed to burn people with [its] fire.

Revelation 6:9-10

And when the Lamb broke open the fifth seal, I saw underneath the altar the souls of those who had been killed for [believing and preaching] God's message, and for the testimony [about Jesus] which they had maintained.

Revelation 14:15-16

Then another angel [i.e., the fourth] came out of the Temple, calling out with a loud voice to Him who was sitting on the cloud, "Use your sharp sickle to reap [a harvest] because it is harvest time, and the crop of the earth is ripe."

Treasury of Scripture Knowledge

Summary

Revelation 14:18

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

Which

Revelation 16:8

And cried

Revelation 14:15

Bible References

Which

Then the fourth [angel] poured out his bowl on the sun, and it was allowed to burn people with [its] fire.