So far, so good. At least now, Blaise could be reasonably sure that his friend would stay away from the Gryffindors. When McNair engaged him in a conversation, the Slytherin only paid half attention, too determined to keep an eye on Harry. When he was led away, he met Prof. Snape's eyes, gesturing towards the Gryffindor. A subtle nod indicated that the Potion Master would keep an eye on them. Next to the ballroom in a lounge, a few Lords and Ladies were engaged in a lively discussion. McNair smiled sharply as he guided the young Slytherin into the room and locked the door behind them.