Sokka, Katara, and Princess Yue set out on Appa in search of Aang, as the Fire Nation continues its attack on the Northern Water Tribe. As Zuko carries Aang across the polar ice cap, Aang's spirit is in the middle of a swamp in the Spirit World. In search for help with finding the Moon and Ocean Spirits, he approaches a baboon spirit who is meditating nearby, though the spirit grows annoyed over the intrusion and tells Aang to leave him alone. As Aang fails to adhere the request, a glowing speck flies by, and the baboon spirit exasperatedly suggests that Aang chases it, implying that it may be able to help him. Aang chases the glowing speck through the Spirit World, though when he finally manages to grasp it, the branch on which he is standing disappears, and he falls into the water. Avata