For several days in a row, whenever Alistair crossed paths with Snape in the corridors, they greeted each other with the distant formality of ordinary students and professors, then hurried past.
Snape seemed determined to do the same, withholding any sign of friendliness as he slipped back into the persona of the cold and merciless Potions class professor.
On Saturday evening, Alistair was getting ready to head down to the Duelling Club on the ground floor.
Chapter 436