Complex sentence: She was a member of the Haou-Sou her mask is suppossed to represent a chicken, she was a spy sent by the Haou-Sou to get information to take down Saya.
Split into simpler sentences: She was a member of the Haou-Sou. Her mask is suppossed to represent a chicken, she was a spy sent by the Haou-Sou to get information to take down Saya.