Recorded in the Yuan dynasty play 《
张生煮海》 by Li Haogu (
元·
李好古). It strings four supernatural-evil words together:
妖 (yāo, demon-spirit),
魔 (mó, demon),
鬼 (guǐ, ghost),
怪 (guài, monster) — covering essentially every kind of malevolent being in Chinese folklore.
