@Surfa
A 'dancer' type fighter in cultivation and fantasy manhwa have a style that focuses on 'elegance' especially for movement. So the extra cloth attachment on her arms swirl with the sword, the free hair and you know the rest.
Yes it's not 'practical' at all. Maybe she has techniques like 'taunt' 'charm' or other skills which seek attantion from enemies, that way she can use her outfit effectively.
[The One Who Revels in Chaos]
Spoiler!
I'm a good boi 

