The realm of the roguelike is completely foreign to Kratos in the God of War: Ragnarok Valhalla DLC. Get his edge back by upgrading his stats between runs.
Most things Kratos find during a run can't be kept in God of War: Valhalla, so you need to only pick the best. These are the best Amulet and Relics to equip.
The latest development for God of War centers on Ragnarok's new DLC, Valhalla. Yep, Kratos is still dead in the mortal world in God of War: Ragnarok and that was the ending of the game.