Ghosts We Chain, Immortals We Become

Butchers do not slaughter pigs with five toes. Village guardians do not guard villages with temples. Feng shui masters do not point out evil dragon treasure lands. The hands of midwives must be washed with rooster blood. Among the three hundred and sixty trades in the world, each trade has its rules. Are these ancient and mysterious rules merely formalities? If I tell you that some rules cannot be broken, and if broken, people will die, would you believe it?