I was never allowed to play the original God of War trilogy on PlayStation cause strict parents but getting to play the newest one after reading the storyline and studying Kratos' character development was a real enjoyment for me.
Even though we don't really have an end to Kratos' arc, it feels like we're coming to it happening. He is no longer the young Spartan who has a bloodlust for any and all gods but rather, a more reserved, strategic veteran; he only fights when he has to for worry of endangering his son Atreus.
Despite Kratos' demeanor which, at times, feels like the direct opposite of Atreus', there are many tender moments where you see and experience a genuine father-son relationship which you'd think would be impossible with a guy like Kratos.
Kratos has been through a lot and has become wise to many of life's difficult situations, dropping quotes such as: "keep your expectations low, and you'll never be disappointed" and "the cycle ends here, we must be better than this". Despite not playing the original trilogy, I felt that Kratos is an extremely relate-able character who is still getting great character development even after three games
Special shout out to this scene in the game:
Warning: Spoiler![ Click to expand ][ Click to hide ]
For context, Kratos and Atreus are on the 'Giant's Fingers', nearing the end of their journey to spread Atreus' mother's ashes. At this point in the game, Kratos has retrieved his once favored weapon - the Blades of Chaos - after swearing to never use them again in order to 'put an end to' the person he once was (Atreus does not know of Kratos' history for most of the game).
In this scene, Kratos removes the bandages covering the scars the Blades of Chaos left on his forearms. This is a really well written, directed and acted moment in the game to portray Kratos accepting his past as part of him, rather than trying to hide it