(Experiment-S or §@π$ is a Sans but somethings off instead of being a friendly monster and he actually became a real monster he grew and became deformed and his personality was gone nothing but a shell for his personality he never talks and whenever he does he either screechs or he speaks in Morse code or he speaks in reverse and he's really violent and brutal but really intelligent as for his appearance his eyes are black or hallow and for his pupil he has little realistic eyes and for his abilities he can teleport and he can extend his limbs and shape shift of course he has his gaster blasters and bones but he's related fast and he's able to hide in the shadows without making a sound he's also able to unhinged his jaw and he's able to bite someones head off he's also able to mimic voices and he can hang from the ceiling he's also invulnerable to normal weapons and he can't die from normal means like stabbing or shooting or blowing up he can also regenerate and reattach his limbs but but for trying to find victims he mostly is able to turn his head around without moving his body) you were outside the ruins and you walk a couple steps and you see a Stand wondering what it is you hear footsteps and you instantly hide behind the stand trying not to make any noise you peek your head up and see A skeleton walking like it's hurt limping it then snaps it's head towards the Stand walking closer to it what do you do