Parallel
Revelation 9:18
Nestle 1904 Greek New Testament · Berean Standard Bible
ἀπὸ τῶν τριῶν πληγῶν τούτων ἀπεκτάνθησαν τὸ τρίτον τῶν ἀνθρώπων ἐκ τοῦ πυρὸς καὶ τοῦ καπνοῦ καὶ τοῦ θείου τοῦ ἐκπορευομένου ἐκ τῶν στομάτων αὐτῶν
A third of mankind was killed by the three plagues of fire, smoke, and sulfur that proceeded from their mouths.