Jesus conquered sin by entering the human condition, sharing in human flesh and blood to destroy the power of death and the devil (Hebrews 2:14). By becoming like his brothers in every way, he functioned as a merciful and faithful high priest before God (Hebrews 2:17). This infiltration of a world ruled by sin included facing temptation in the desert, where he remained sinless and obedient to the Father’s will by rejecting the offers of Satan (Matthew 4:1-11, CCC 430).

The Passion of Christ is the definitive demonstration of his willingness to suffer and die for the sins of humanity (CCC 618). This voluntary sacrifice was the fulfillment of Old Testament prophecy (CCC 605, Isaiah 53:3-12) and a predestined path in which the Son of Man would be handed over to men (Mark 9:31, Luke 9:44). Driven by divine love, Jesus’ sacrifice was an act of forgiveness, evidenced by his plea for the forgiveness of those who crucified him (Luke 23:34).

In the process of atoning for human sin, Jesus experienced a profound spiritual abandonment and separation from the Father. This reality is captured in his cry of dereliction on the cross (Psalm 22:1, Matthew 27:46). This experience of separation was a necessary step in the act of atonement (CCC 616). Going where God was not, Jesus descended into hell, which allowed him to confront and destroy the power of death and the devil (Hebrews 2:14).

The victory over sin and death was achieved through a unique and sufficient sacrifice that took away sin once and for all (Hebrews 9:26-28). The resurrection of Jesus is the central event that demonstrates God’s power over death and sin (Matthew 28:6), signifying the turn of the ages and the coming of the Son of Man in his kingdom (Matthew 28:18). This triumph resulted in the defeat of the kingdom of Satan (Revelation 11:15, 12:10) and the reconciliation of humanity to God through the blood of Christ (Ephesians 2:13-18).

The theological significance of this victory is realized in the life of the believer, who is freed from slavery to sin (Romans 6:3-7). Through baptism, a person dies to sin and is raised with Christ, enabling them to live a new life in obedience to God (Romans 6:3-4, CCC 978). This transformation creates a new creation in Christ, where the old self passes away and the believer is made righteous through God’s reconciliation (2 Corinthians 5:17, 21).