this drama had so much potential but left me with a lot of questions

I just wish they would've shown where the new feng wu came from... in the beginning her master said that she would "remember" where she came from/who she is and I was looking forward to a scene that showed her as a "medical student" but there weren't any and I would have never known if I didn't read the synopsis. She came from "another world" which I'm assuming is the modern world... but other than some slang words the entire drama her personality/attitude doesn't make it seem like she doesn't fit in (like the way the FL in The Eternal Love reacted to things). It seemed like she just accepted her fate and decided this was her life and she needed to help her "master" that she didn't even know. I hate the ending when she had to go back to her world but it doesn't show where her world is or the usual cliche scene where ML is actually also in her world LMAO