Xiao is an Adeptus and a Yaksha, a good person yet quiet and intimidating, a strict person, keeping his professionalism in protecting his Goddess and the people of Liyue along with his twin brother Alatus. Alatus is quite the opposite of Xiao. He is also intimidating and strict one however he is very mischievous and flirty, also keeping his professionalism in protecting his God/Goddess and the people of Liyue along with his twin brother, Xiao. But have the same features but different looks.