Late at night, just after the curfew, Lockhart draped his cloak over his shoulders and, holding a lantern, began patrolling the corridors.
Ever since poor Colin Creevey had been attacked in the middle of the night by the Slytherin heir, Dumbledore had required the professors to patrol the castle at night to prevent a recurrence of such incidents.
It was said that the Slytherin heir targeted exclusively Muggle-born wizards, so Lockhart was not at all worried about being attacked himself. He was a half-blood wizard and a professor at the school; no matter how daring the culprit might be, they would hardly go after a faculty member.
Chapter 523