By the which will we are sanctified through the offering of the body of Jesus Christ once [for all].
Berean Study Bible (BSB) - Hebrews 10:10 >And by that will, we have been sanctified through the sacrifice of the body of Jesus Christ once for all.
Textus Receptus (TR) - Hebrews 10:10 >Ἐν ᾧ θελήματι ἡγιασμένοι ἐσμέν διὰ τῆς προσφορᾶς τοῦ σώματος τοῦ Ἰησοῦ Χριστοῦ ἐφάπαξ.