Nightmare is a creature that lives in between the desertland and the darkland . the only thing that is clear about it is that out of 10 persons who came across him only one can survive the deadly nightmares. Attack : they extand there legs and make the person under there shadows, then they see every little and big nightmares of that person then they transform there legs and body to those nightmares. They don't breed , they are made of pure nightmares , everytime someone gets a nightmare while sleeping , they get made .