Christus Victor (The Christian Idea of the Atonement)

In Christus Victor, Gustaf Aulén critiques dominant atonement theories and revitalizes the ancient idea that Christ's death and resurrection defeated the powers of sin, death, and the devil.

He contrasts this 'classic' view with satisfaction and moral influence theories, arguing that the early church understood atonement as God's victory enacted in history.

Aulén's work profoundly influenced 20th-century theology by reframing atonement as cosmic conflict and liberation rather than solely legal transaction.

The book remains a key reference for discussions of atonement models and continues to shape ecumenical and scholarly debates.

Its accessible style helped it cross denominational boundaries and influence pastors, theologians, and lay readers.