So got to the bridge in the prolog I used rage once the little mobs were cleared for so we could fight the cambions and get the sword. Didn't get the scream FX sound but it spent the BA and the rage point so I think it's all good. Fights going the 2 other cambions join in and one hits me for 14 damage. I know they hit hard but never had them crit ever. So i checked the log it wasn't a crit it was 14 raw damage that wasn't reduced because apparently even if you spend the resource if you don't get the scream FX sound rage isnt actually activated. Needless to say no sword, apparently if it ever breaks it's also permanent.