Caractacus pulled himself to his feet and gave the Headmaster a Look of his own, "I was fighting." He paused for a moment as the ground did a sort of rolling. He knew the ground wasn't really rolling, and it passed, "Walking's easier."
Besides, who else was going to look for most of them? Mrs. Nott's husband would, assuredly, but the others? He should look for.
So he would. Before setting off, he looked tiredly up at the Headmaster, "Tell me when he wakes up."