I Can See Three Last Words

Inhale the yin energy, cast the foundation, receive the gift from heaven, and live forever. Do last words have to be last words? It could also be a trap. The words of a dying person are also good, and the words of a dying person are also false. The dying person is a dying trap! Gu Haoran encountered extraordinary events on the second day after traveling through time. There are ghosts in this world! Gu Haoran can see the last words of the deceased, but is it life-saving medicine or poison? Are the three last words really the last words? I'm not a primary school student, I don't know how to reason!