[s2e10] The Library -

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

: A scholar whose remains are later seen in the sequel series, The Legend of Korra , implying he never left the library. [S2E10] The Library

While at a desert oasis, the group meets , an anthropologist from Ba Sing Se obsessed with finding the legendary Wan Shi Tong's Library . Upon finding the buried structure, they encounter its guardian, a massive owl spirit named Wan Shi Tong , who allows them entry only if they contribute new knowledge. In Season 2, Episode 10 of , titled

: The Gaang manages to escape just before the building disappears, but Professor Zei chooses to stay behind to continue his research. Upon finding the buried structure, they encounter its