Faye is the reason Kratos didn't die in Ragnarok.
If Kratos did not have the Faye vision where she said "Open your heart to this world as you have to me and you'll find every reason to keep living in it" , he would undoubtedly be dead and would've chosen vengeance
to be honest i prefer “fight the empire” over “fuck the empire” in maarva’s speech not because of narrative weight or whatever but because i know how manchild star wars fans react to anything that might make them slightly uncomfortable and we didn’t need that discourse