Fan Casting Ruta Skadi in The Subtle Knife

Is the Latvian witch queen, and a lover of Lord Asriel. Her dæmon is a bluethroat named Sergi. She is 416 years old in, her second name, "Skadi", is also that of a Nordic winter goddess, she accompanies Serafina Pekkala and her companions on part of their journey. She leaves, first to see the angels up above her, and she wants to help them because Lord Asriel is with them.