The Emperor's Coffin Immortal

I have a harp that can play all things. One song can kill thousands of armies, and one song can cut off cause and effect. I have a sword that can break through all kinds of magic. One sword can kill immortals and demons, and one sword can separate Yin and Yang. I have a coffin that can suppress the laws of the world and create endless creation! … The end of the Dharma Age is coming to an end, spiritual energy will be revived, the world will undergo drastic changes, nuclear weapons will no longer be dominant, and humans will be knocked off the altar from the top of the food chain! Before that, Ye Chen met a ghost fairy master, and everything in his life changed...