During a travel, Kratos, Mimir, and Atreus travel to (whatever your realm is).

Atreus: "Well, it's a step-up from Fimbulwinter and Midgard."

The severed head on Kratos' hip speaks.

Mimir: "Aye, lad. It's nice to avoid constant cold and Raider attacks."

Kratos: "...Hmph."