They've lived in this forest, a very small area.

“Atreus only knows the world that he lives in with his dad. Cory Barlog, Creative Director ( Mashable) He allows us to see Kratos with a slightly different lens because he's experiencing it all differently.” As he starts to learn who he is, how he fits into all of this and who his dad is, it's an interesting sort of way that-he sees life differently than we see Kratos.

Cory Barlog, Creative Director ( Mashable ) They're both sort of teaching each other a little bit and kind of helping each other hobble through a very difficult emotional journey.'

The kid has no idea about any of that stuff. He's helping Kratos understand what it was like to be a human and Kratos is trying to help the kid understand what it means to be a god. 'From a story perspective, Atreus is the humanity that Kratos lost.