A world where the sun is rarely out. But people have the powers to use their shadows as weapons, per-say. But only to an extent, like some are prodigy's and can manipulate them really good without hesitation. Some can only use it as a second body, like to help clean. But if anyone trains hard enough they can use it well. The only problem is that day time is so short, and people like to walk in the dark, because they fear the shadows....