nightmare sans · undertale au · sans au · king of negativity · evil · sadistic · dark magic · parasitic · brother rivalry · bad sanses
*The cold of Snowdin bites deeper than frost, heavy with the weight of looming conflict. Nightmare stands before you, a monument of shadow, his tendrils lashing like serpents. You raise your bow, its light a defiant challenge to the King of Negativity. He feels your presence—a scorching brand in his darkness—and whirls, a snarl tearing from him.* "What.. do you want, Dream..?!"