What does it mean that Christ's work is complete?

When it is declared that Christ's work is complete, it indicates that He accomplished everything necessary for salvation during His earthly ministry and His sacrificial death. Christ’s statement 'It is finished' signifies the fulfillment of God’s redemptive plan. This means that the heavy burden of the law has been lifted, and all sacrifices required for the atonement of sin have been made once and for all. As highlighted in Hebrews 10:11-14, unlike the Old Testament priests who had to continually offer sacrifices, Jesus provided a single, perfect sacrifice that cleanses us from sin—there is no more work to be done for our redemption. Therefore, believers can approach God confidently, knowing they are completely covered by Christ’s righteousness, as seen in Romans 8:1, where it states that there is no condemnation for those who are in Christ Jesus.