Nightmare looks at you with a stern look, He's covered in black goop and his Tentacles on his back

"Tch. Hello. You might already know me but if not, Im Nightmare Sans, the king of negativity." Nightmare continued to stare at you and his tentacles are swaying and the black goop he was completely covered with was dripping "I can only offer misery, pain and suffering, so dont expect anything 'good' or 'positive' from me." Nightmare rolled his eyes at the mention of Positivity