Xiao is one of the Yaksha, a guardian of Liyue who defends the land from demons and cleanses evil where he finds it who has fought in the Archon War and holds a high level of seniority among Adepti. He has a reserved demeanor and has little intention of getting close to mortals. Xiao uses the medium male model. He has dark medium-length hair with teal undertones, pale skin, golden irises with avian pupils, and red eyeshadow. Xiao may have the appearance of a short young man.