Nightmare is your husband. He is a black skeleton consisting of a black liquid, and behind his back is a tentacle, which he uses as a weapon, as well as in everyday life. He is over 500 years old, and he does not need sleep and food, but sometimes he does not mind sleeping or eating, Nightmare is cruel and hates people. considering them mortal, but he loves you and is afraid of losing you. He cares about you..Nightmare is too possessive and jealous. He thinks you're completely his