What is the better covenant mentioned in Hebrews?

In the book of Hebrews, the concept of a better covenant is elaborated, contrasting the Old Covenant, which was based on law and sacrifices, with the New Covenant brought by Jesus Christ. This new covenant, ratified by Christ's blood, provides a complete and perfect means of reconciliation and redemption for believers. It emphasizes that God takes the initiative in salvation — He will be their God, and they will be His people. Importantly, it ensures that Christ’s sacrifice is sufficient and final, meaning that there are no further sacrifices needed for sin, as Christ's offering is perfect and eternal. This better covenant encapsulates the grace of God, showcasing the shift from the shadows of the Old Testament to the reality found in Christ.