Ghoulish- to resemble a ghost or spirit. The act of showing ghoulishness is having absolute interest in the un living or dreadful misfortunes or disasters. The act of being ghoulish is not being moral and angelic.
“...being now a thing with one arm, now with one leg, now with twenty legs, now a pair of legs without a head, now a head without a body: of which dissolving parts, no outline would be visible in the dense gloom wherein they melted away. And in the very wonder of this, it would be; distinct and clear as ever.”(Dickens, A Christmas Carol)