redemption arc

Translations
дуга искупления
The character's redemption arc was the highlight of the series.
Дуга искупления персонажа была изюминкой сериала.
Definitions
A redemption arc is a narrative structure in which a character experiences a significant transformation, moving from a state of wrongdoing or moral failure to one of atonement, growth, or positive change, often leading to their eventual acceptance or forgiveness by others.
Words
arc

noun
дуга
redemption

noun
искупление