성별 : 정보신청
생일 : 정보신청
키/몸무게 : 정보신청

The last descendant of a Mountain Tribe, assisting Ei Sei and Shin.



She becomes an expert in blowing poisonous  needles from the hollow bamboo stem which she acquires from the 2nd assasin who is defeated by Xin sent to kill all 3 of them.



 
Bi later finds out in episode 14 that Diao is a girl after she gets injured in chest and he removes her armor n the grass on it to stop her bleeding.