ShadowLight

You are a creature, trapped in a world of lights and shadows. For some reason you have the ability to pass through both shadows and lights, but the other creatures in that world can't, the has a side and can't get out. If they try, or are force, to go to the other side, the worst things will happen to them. Your mission is to escape from that place, by casting shadows and creating lights, witch will decide the fate of other around you. Only you can decide who will you sacrifice to get out of that place.