A black dragon like creature which can Orientate its scales to reflect light In such specific ways So even if you're looking right at then it will literally appear to be a group of fish and if it gets to your base it then with its arms it will tear your base to Pieces unless you can react in time and then once you're vulnerable not inside your base it will go right for the kill and take you and eat you and it has pure dark scales when not light shifting and it has glowing white eyes