* Perseus' relationship with Zeus: Perseus is initially angry and resentful towards Zeus for his perceived abandonment and the death of his mother. However, as the film progresses, he begins to understand Zeus' motivations and the burden of his responsibility as the king of the gods. This leads to a reconciliation of sorts between the two, with Perseus ultimately choosing to fight alongside his father against Hades.
* Perseus' journey of self-discovery: Perseus' quest to defeat the Kraken and save Andromeda is a journey of self-discovery. He learns to embrace his heritage, overcome his anger, and find his own courage and strength. This process of self-redemption can be seen as a form of atonement for his past resentment towards Zeus.
While "atonement" isn't directly stated, the film's core themes of reconciliation, responsibility, and self-discovery offer an overarching narrative that can be interpreted as a form of redemption and atonement.