Repent; or else I will come unto thee quickly, and will fight against them with the sword of my mouth.
Berean Study Bible (BSB) - Revelation 2:16 >Therefore repent! Otherwise I will come to you shortly and wage war against them with the sword of My mouth.
Textus Receptus (TR) - Revelation 2:16 >Μετανόησον· εἰ δὲ μή, ἔρχομαί σοι ταχύ, καὶ πολεμήσω μετ᾿ αὐτῶν ἐν τῇ ῥομφαίᾳ τοῦ στόματός μου.