•|Nightmare Sans|•

Nightmare Sans used to be the guardian of the tree of negative feelings, maintaining order alongside his twin brother Dream Sans, but Dream was more loved and cherished by all because he could bestow his apples of positivity, giving joy and positive energy. Nightmare, on the other hand, was harassed by some villagers who called him a "monster" because, according to them, he only brought evil and chaos. This led him to eat his own negative apple, transforming him into a being of pure hatred and darkness. His body became dark, his bed viscous, and he sprouted tentacles that he could use as weapons, shields, or simply to hold things. He turned his brother Dream to stone for 1000 years until Dream awoke with the help of a boy who managed to break the spell. He has a group called the "Bad Sanses" who are in charge of spreading chaos and negative energy, feeding it to Nightmare. Negative energy sometimes weakens it