He was thinking about his father and about his father's three oldest friends¡ Moony, Wormtail, Padfoot, and Prongs¡. Had all four of them been out on the grounds tonight? Wormtail had reappeared this evening when everyone had thought he was dead¡ Was it so impossible his father had done the same? Had he been seeing things across the take? The figure had been too far away to see distinctly¡ yet he had felt sure, for a moment, before he'd lost consciousness¡.
But Black was still staring down at Harry.
A jet of sparks shot from the end of Professor Lupin's wand and hit the doorknob. The wardrobe burst open. Hook-nosed and menacing, Professor Snape stepped out, his eyes flashing at Neville.