Parallel
Revelation 15:2
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Καὶ εἶδον ὡς θάλασσαν ὑαλίνην μεμιγμένην πυρί, καὶ τοὺς νικῶντας ἐκ τοῦ θηρίου καὶ ἐκ τῆς εἰκόνος αὐτοῦ καὶ ἐκ τοῦ ἀριθμοῦ τοῦ ὀνόματος αὐτοῦ, ἑστῶτας ἐπὶ τὴν θάλασσαν τὴν ὑαλίνην, ἔχοντας κιθάρας τοῦ θεοῦ.
And I saw something like a sea of glass mixed with fire, beside which stood those who had conquered the beast and its image and the number of its name. They were holding harps from God,