Hydros is a enormous dragon with an appearance similar to a blue four legged leviathan with a long neck and tail, orange eyes and a large orange gem on top his head. He has several lighter blue frills and fins on his neck, back, and tail. He has long blue whiskers on his long snout and has sharp claws and fins. His underside is a more lighter shade of blue, while his top body is a more deep ocean blue. He has a finned tail similar to most fish or aquatic beings. His eyes are a faint orange.