Calvin could not remember a time that he’d been happier to spot an auror than he’d been when Frank Longbottom had arrived at his side. “He’s there! I-I-I think I shot him!” Calvin informed Frank, stumbling over his words due to the fear that he’d been plagued with the moment he’d been told that their was a Death Eater kicking up a fuss in Diagon Alley, and that Calvin was to be involved in the chaos. “I-I-I didn’t mean to,” Calvin added hastily, and held his flattened palms out in front of himself, as though he expected someone as kind as Frank Longbottom to wheel around and hex his face off.
Suddenly, Calvin’s attention was ripped away from Frank and the Death Eater that he’d been ordered to catch, by a patronus that had lumbered towards him in a hurry, its silver skin glinting in the sunlight. Calvin flinched at the sight of the creature, having been surprised by its presence, but listened to what the patrnous had to say when he’d recovered from his moment of shock.
“A child?” Calvin asked the moose in a panic, only to be disappointed when the patronus doubled back towards the wand tip that was responsible for its momentary existence without providing Calvin with his answer. Calvin threw his hands upward, and pressed his hands against each side of his head, looking as conflicted as was possible for someone to look without splitting their face in two. “Oh dear! Oh dear!” He shouted. Frank had gone, having run off towards the Death Eater in the way that Calvin had found himself incapable of doing, leaving Calvin to deal with the situation that had unfolded in the bookstore across the street.
“What would Batman do?” Calvin asked himself, and, acting in a far bolder manner that he could ever remember acting, he darted forward, putting his long legs to use.
Calvin stumbled into the bookstore’s front door, slamming against it loudly by mistake. “Now what?” Calvin squealed, begging his brain for an idea as he stood in front of the burning building with his wand held out in trembling fingers.
“Aguamenti!” He squeaked, attempting to cast the water-producing charm that he’d been taught in charms class not to long ago. Much to Calvin’s surprise, on his command, water burst from the end of his wand and shot towards the nearest flame. “Aha!” Calvin exclaimed, half-cheering, half-laughing, due to the shock of having successfully cast a spell during such a moment of urgency.
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Aguamenti | Produces a jet of water from the caster's wand.