: Fox spirits that serve as the library’s librarians.
In Season 2, Episode 10 of , titled " The Library ," Team Avatar travels to the Si Wong Desert in search of a hidden archive that holds the key to defeating the Fire Nation. Plot Summary [S2E10] The Library
: A scholar whose remains are later seen in the sequel series, The Legend of Korra , implying he never left the library. : Fox spirits that serve as the library’s librarians
: The Gaang manages to escape just before the building disappears, but Professor Zei chooses to stay behind to continue his research. Episode 10 of
: Angered by humans using his library for war, Wan Shi Tong decides to sink the library into the Spirit World, trapping everyone inside.