Merlin, the person who had run in the way of his spell was a child. Lou felt an immediate wash of guilt and hurriedly pocketed his wand, cautious of doing anything more damaging. Perhaps he'd do better to just walk off and leave the people here to their own devices. Wasn't this the sort of thing Scamander did for a career, anyway? Aside from the other man, however, most of the people currently engaged seemed just as clueless as Lou, and since most of them were jewel-decked women, they were in more danger from the creatures' greed.