Revelation 8:4-6

Darby Translation

⁴ And the smoke of the incense went up with the prayers of the saints, out of the hand of the angel before God.

⁵ And the angel took the censer, and filled it from the fire of the altar, and cast [it] on the earth: and there were voices, and thunders and lightnings, and an earthquake.

⁶ And the seven angels who had the seven trumpets prepared themselves that they might sound with [their] trumpets.