free for what? - free to serve.

Hebrews 11:15 If they had been thinking of the country they had left, they would have had opportunity to return.

Hebrew 9:14 How much more, then, will the blood of Christ, who through the eternal Spirit offered himself unblemished to God, cleanse our consciences from acts that lead to death,[c] so that we may serve the living God!

Hebrews 9:22... without the shedding of blood there is no forgiveness.

Hebrews 8:2 2 We do have such a high priest, who sat down at the right hand of the throne of the Majesty in heaven, and who serves in the sanctuary, the true tabernacle set up by the Lord, not by a mere human being.