The final scaffold scene in some ways mimics the first. Once again, all the major characters meet in the marketplace in full daylight. Hester is again the object of unwanted attention due to the scarlet letter, making her an outcast, while Dimmesdale is exalted as a saint. But this scene is different, because Dimmesdale is dying. Realizing that this is his last opportunity to confess before his death, Dimmesdale finds courage to perform this vital act, if for no other reason than to save his soul. As in the second scaffold scene, Hester's strength is emphasized: Dimmesdale needs her to carry him up the scaffold where he can make this revelation. Chillingworth's evil has become full-blown, but his power over Dimmesdale is now gone, because the minister chooses the path of truth. His death frees Pearl from her role as symbol of her parents' guilt, so she can become a compassionate and caring human being. In this scene, the scarlet letter makes its appearance on Dimmesdale's chest.
No aspect of this novel is irrelevant. Each of the symbols, characters, and themes is presented with consistent, delicately chosen details, creating a beautiful and complex novel. For more insight into the rich layers of symbols and meaning in this novel, be sure to check out CliffsNotes The Scarlet Letter (it's free to read online!).