Cersei Lannister's Downfall
A Dance with DragonsCersei is imprisoned by the Faith, forced to confess, and undergoes a walk of atonement, while her power crumbles.
increasing
Bearing strength in each event
decreasing
Imprisonment by the Faith

Imprisonment by the Faith
The Arrest
Cersei is arrested by the Faith Militant on charges of adultery, treason, and murder. She is taken to the Great Sept of Baelor.
The Cell
She is held in a tower cell, guarded by septas. She is denied sleep and subjected to psychological torture.
The Loss of Power
Cersei's regency ends. Her uncle Kevan Lannister becomes Lord Regent. She is isolated from her son Tommen.
Confession and Atonement

Confession and Atonement
The Confession
Cersei confesses to sleeping with Lancel and Osney Kettleblack, hoping to avoid a trial. The High Sparrow demands a walk of atonement.
The Walk
Cersei is stripped naked, shaved, and forced to walk from the Great Sept to the Red Keep through the streets of King's Landing. The crowd jeers and throws filth at her.
The Humiliation
Cersei endures the walk, but it breaks her spirit. She is reduced to a crawling, weeping wreck. She reaches the Red Keep and is taken inside by her new champion, Ser Robert Strong.
Trial by Battle

Trial by Battle
The Champion
Cersei's champion is Ser Robert Strong, a mysterious giant knight who never speaks. He is Qyburn's creation, possibly the reanimated Gregor Clegane.
The Waiting
Cersei awaits her trial. She is confined to Maegor's Holdfast, attended by septas. She plans to regain power after being acquitted.
The Uncertainty
The trial is set to take place, but the book ends before it happens. Cersei's fate hangs in the balance.
early in the book
midway through the book
after the walk