Parallel
Revelation 20:1
CNTR Statistical Restoration · Berean Standard Bible
Καὶ εἶδον ἄγγελον καταβαίνοντα ἐκ τοῦ οὐρανοῦ, ἔχοντα τὴν κλεῖν τῆς Ἀβύσσου, καὶ ἅλυσιν μεγάλην ἐπὶ τὴν χεῖρα αὐτοῦ.
Then I saw an angel coming down from heaven with the key to the Abyss, holding in his hand a great chain.