Yes. If you call the tagline, you spend the Prowess for it whether successful or not. This also extends to Feats as well. In Forest of Doors, if a resource is spent to do something it stays spent whether it was successful or not.
Yes. If you call the tagline, you spend the Prowess for it whether successful or not. This also extends to Feats as well. In Forest of Doors, if a resource is spent to do something it stays spent whether it was successful or not.