The small Professor was practically vibrating with excitement, "Oh yes, Minerva did mention something of this at dinner. I have to say, it really does seem that charms have clicked for you after last year, with that excellent summoning charm against the dragon, and that frankly fantastic blasting charm during the nasty business with that imposter," he scowled, but brightened quickly, "I don’t know if you saw, but I persuaded the headmaster to allow me to place a preservation charm on the scorch marks on the steps and the grass," Harry had not seen, but to be fair to him, it had been night time the last time he’d been on the steps,