Harry nodded, mind whirring. "Up our defenses, teach each other curses and hexes that are particularly effective. More than what most of us just learned in school." She put her wand between her teeth and pulled her hair back into a ponytail, taking her wand out again with a smirk. "You need someone to make noise? You're looking at her. And if anyone else is going to be a loudmouth about it I'll have to teach you your rights. I know all of the tricks aurors like to play to try and convince people they have to do what they say."