Change demon

 was a demonic species with reality alteration abilities. They would manifest a scenario for its victims in order to feed from their fears.

History
In 2019, Buffy Summers and Angel faced the Change demon Ulfreth, who attempted to feed off their fears after they entered Sunnydale's activated Hellmouth.

Behind the scenes

 * This is a species of tentacled demons that gives visions to its victims based on their worst fears, similarly to the "Octobitch" in Safe and the Hamelin demon in I Wish, Part One.

Appearances

 * Hellmouth, Part Two