The 20-minute gameplay reveal for God of War Laufey puts a lot of focus on protagonist Faye’s new sword. And while we don’t yet know what the sword is called or where it originally came from, I’ve already got so many questions about the blade. Most pressing, I want to know how Faye’s new weapon will act as a thematic mirror for her, much as the Blades of Chaos and the Leviathan Axe acted as narrative reflections for Faye’s husband,…