Let me be honest with you: I am not a masochist. At least, that is what I tell myself until I see a permadeath mode in a game I love. Then suddenly I am entering ancient cheat codes at 2 a.m., whispering 'this will be fine' to my monitor. That is exactly what happened when I learned about Hollow Knight: Silksong's Steel Soul mode. In the original Hollow Knight, Steel Soul was simple and cruel:...