Kratos returns home and collects the Blades of Chaos, and kills the bridge keeper while getting the aid of Brok to get out of Hel.
The two are attacked by a Troll, and Atreus assists his father in the battle, ending with the latter killing the troll with a neck snap.
Born in Scandinavia, his father taught him all the means to survive in a harsh world by learning how to use a bow and arrow.