Dream of black smoke
Dreaming of black smoke is an unlucky dream, which means that you may have a disease, but you have never found it. You should seek medical examination and treatment as soon as possible.
Dreaming that black smoke turned out to be Duke Zhou.
Original: Fire and smoke are the main symptoms.
Moral: dreaming of black smoke from a fire means being careful about your health.
An iron can make a good fire.
Moral: dreaming that iron smokes means that a great event will come.