Hebrews
King James Version (KJV)

“Now the God of peace, that brought again from the dead our Lord Jesus, that great shepherd of the sheep, through the blood of the everlasting covenant,”
King James Version (KJV)
13:20 The everlasting covenant - The Christian covenant, which is not temporary, like the Jewish, but designed to remain for ever. By the application of that blood, by which this covenant was established, may he make you, in every respect, inwardly and outwardly holy!
Heb 13:20 The God of peace, who gives us peace. Our Lord Jesus, that great Shepherd. Christ, "the Good Shepherd" (Joh 10:11,14). Through the blood of the everlasting covenant. The blood of Christ on the cross sealed the everlasting covenant of the Gospel of which the resurrection of Christ from the dead was the surety.