Appeals to Chinese audiences, because it's basically a wuxia movie: people can fly about, do stuff their invisible power, including healing, fighting with swords.
Personally, I hate it because the story is just nonsense. No spoilers but it's like death is a joke, with THE MOST OP ghosts ever... Like seriously, poltergeist has got nothing on this movie.
Want a proper space opera with a start, middle and end? Please have Peter Jackson do Dune.