Percy appreciated how Nott took the time to explain each of the tests, rather than simply doing them as if Percy weren't really there. He paid them great attention - perhaps he could even speak with Bill about them at some point, at least in a theoretical sense.
He took the stone in his hand, almost expecting to feel some sort of tingling as it did its work, but he felt nothing. His eyes fell on the knife and he flinched. He knew this was necessary, but he didn't have to like it. He, however, extended his free hand to be pricked, treating it as little more than what would occur in the process of a healer's examination.
"I believe a small prick should do - I am unfortunately a profuse bleeder."