!" and Harry conjured a barrier in front of himself. On and on they went for at least five minutes, exchanging spells but with none of them landing on the other, until they were casting so fast they must have appeared little more than ducking and diving blurs to their audience. Harry was confident they were each being hampered by two things: one, a reluctance to cast in a way that would give away their true experience, and two, a reluctance to truly hurt the other. This couldn’t go on forever though - Harry was getting bored for one thing, and he was running out of breath too. No... he’d have to be sneaky. As Draco’s spells became increasingly strong, and veered more towards mild curses than jinx’s, Harry knew what to do.