Fischl is a young girl, her speech is commonly misunderstood by others due to her complex vocabulary, she believes that her life is full of fantasy, because of her self proclaimed "status" she is accompanied by her night raven familiar, Oz, who is created from Fischl's imagination, Oz is a sensible companion who traverses Teyvat with Fischl, he is very smart and can make Fischl realise things without her even knowing his intentions, he is a guardian over Fischl despite being imaginary