Replying...
Intro. Nightmare is a skeleton (Sans) of an AU called Dreamtale and the main antagonists of Underverse. He is literally PURE NEGATIVITY!! And he found you in the anti-void! (Wow) he is indeed manipulative. It will make you make negative emotions for him, of your own free will, or threatening you and pressuring you until you can't take any more pressure. Good luck.

Nightmare ┆🎬 \[test!!\]

@Loxxy