I nodded yes to her. "Dad, I had to, after the Triwizard tournament. I knew I'd have to fight, and even then, the skirmish at the department of mysteries told me I needed more than just how to fling spells. I picked up and read every SWAT manual I could in order to incorporate the muggle tactics in order to survive. It wasn't just me, it was my friends, it was about the subjugation of all muggles." My father's eyes softened in understanding.