Parallel
Revelation 5:2
Nestle 1904 Greek New Testament · Berean Standard Bible
καὶ εἶδον ἄγγελον ἰσχυρὸν κηρύσσοντα ἐν φωνῇ μεγάλῃ Τίς ἄξιος ἀνοῖξαι τὸ βιβλίον καὶ λῦσαι τὰς σφραγῖδας αὐτοῦ
And I saw a mighty angel proclaiming in a loud voice, “Who is worthy to break the seals and open the scroll?”