A supernatural being
Supernatural beings and events collectively (when used with definite article: "the supernatural")
Above nature; beyond or added to nature, often so considered because it is given by a deity or some force beyond that which humans are born with.
Stephen King's first novel is about a girl named Carrie dealing with supernatural powers.
Not of the usual; not natural; altered by forces that are not understood fully if at all.
The house is haunted by supernatural forces.