before I start I have only read Stormlight and mistborn so does aluminum work on Roshar The same way it works on Scadrial I think there’s reference to it in the books I don’t remember where but would a aluminum knife or weapon completely negate the powers of a radian is aluminum like a universal thing in the cosmere or is it only a mistborn thing I still don't understand investiture that much but does it have to do with that ?