 As its name implies, the Black Mist takes on the form of dark colored smoke or mist that easily slips through cracks in doors and walls, its physical form is a mass of black slime and tentacles with the head of a wild dog and an eagle.Its tentacles were as sharp as the blade of a sword and poisonous to touch.It was one of Lief's most challenging opponents, it took the combined might of Fidelis (the topaz dragon), Nevets and Lief and his friends to completely destroy it.