In the cave, the water dragon roars and the ghost fire turns into the rain. The doctor tells ying that she is finally back and that he has something to tell her before he leaves. He tells her that he's been in the cave for a thousand years and that although he can't meet her, he has always been watching her. He hopes that she can live on in the future and that they can be together. The rain has stopped, the doctor says, and he wishes they could be together in another life. He gives ying the medical methods from the ghost clan and tells her to embrace him and thank him all for accompanying him all this time. He asks huawusheng if he is going to stay in the palace alone, and ying tells him that he probably learned his lesson when he gave the medical method to him. He says that he would like to discuss the method together, but that they should just leave the palace together. . They are thrown out, and the doctor asks ying what her plan is next. She says that she needs to stay and look for meaning in the world, and that she will come to him if she wants.