Princess Yue is the daughter of Chief Arnook, the ruler of the Northern Water Tribe. She is promised to marry Hahn, a brash, egotistical warrior. Despite this, Sokka develops feelings for her after Team Avatar arrives.Yue later aids Aang in entering the Spirit World through the Spirit Oasis.Background: She was born with an unknown illness that caused her to be still and quiet. Her father prayed to the Moon Spirit and placed her in the tribe's Spirit Oasis in the hopes of saving her. She was healed and the Moon Spirit shared some of its life force, turning her hair white.