How does Paul achieve deliverance from the body of death?

In Romans 7:24-25, when Paul cries out, 'Who shall deliver me from this body of death?', he immediately answers his own lamentation by giving thanks to God through Jesus Christ, our Lord. This establishes a key theological principle: true deliverance from the dominion of sin comes solely through faith in Christ. The work of Christ, encompassing his perfect life, sacrificial death, and triumphant resurrection, secures the believer’s liberation from sin's penalty and power. Paul emphasizes that believers, while still engaged in the battle against sin, are not left stranded; they have access to grace and empowerment through their relationship with Jesus, enabling them to walk in newness of life. This understanding reinforces the necessity of continual dependence on God's mercy, showcasing the heart of sovereign grace theology.