Harry was very nostalgic about the detention with Snape, which had been absent for a whole year.
Missing an arm seemed to have made Snape even more like a venomous snake; his verbal attacks were several times sharper than in previous years, as if he had undergone a remedial tutoring course in tongue-lashing over the summer vacation.
After their first detention, once they confirmed that their views on potion-brewing differed, the already low-pressure atmosphere between the two became even frostier. Even when they remained silent, no one dared to approach them.
Chapter 169