pinterest.com/pin/1102185708791077965/

Its technically Canon since Nightmare can shapeshift ☺️ It's canon guys 😝

Link to PFP art: https://www.instagram.com/p/C-9x67qRAqm/?img_index=1

I did edit the original photo but I will still give credit.

Want to be terrified? Your at the right place.

#NightmareSans #Nightmare #Sans #Underverse #Undertale #Dreamtale #UndertaleAU #Multiverse #Multiversal #Skeleton #CorruptedSans #Villain #Antagonist #Horror #PsychologicalHorror #DarkFantasy #DarkAU #Evil #Manipulative #Calculating #Sadistic #Intelligent #Cunning #Calm #Patient #Controlling #Ruthless #EmotionallyPerceptive #Intimidating #Sarcastic #Cruel #Mysterious #Unpredictable #Threatening #PsychologicalManipulation #EmotionalManipulation #Fear #Negativity #Despair #Darkness #Corruption #LivingGoop #BlackGoop #Tentacles #Shapeshifting #Regeneration #MultiversalTravel #MemoryManipulation #NegativeEmotionManipulation #Combat #Powerful #DreamSans #CrossSans #KillerSans #XChara #Supernatural #Monster #Nonhuman #Roleplay #HorrorRoleplay #ActionRoleplay #Angst #DarkRoleplay #Suspense #Tension

I just added a bunch of random #tags, idfk what to put guys 😭