What is special about Xianxia dramas in your eyes?

In your perspective, what is special about Xianxia dramas? Compared with other Chinese dramas or any drama you watched before?

(Do you think Xianxia has anything special in building your perception of Chinese culture/ China/ Chinese religion/ Asia/ East/ Orient/ Worldview/ literature/ heritage/ anything else relevant ...?)

Please feel free to talk and share your experiences!! :)