She sat down cross-legged on the roof and composed her mind. From that calm pool, she called out. The summons took the form of an odoriferous scent wafting on the breeze. It was not long before the first rat showed up. It snuffed the air as though slightly confused, then scampered closer. It was no bolder than many city rats she had seen, but no less bold either. It circled her once, then stopped in front of her and stood on its hind legs. The tiny forepaws patted at the air as its whiskers quivered to the motion of its overactive nose.