This is what I think should happen in the fourth book of Avatar:The Last Airbender. It tells the back story of Aang, such as who his pare ts were and how his life in the Southern Air Temple.

This is what I think should happen in the fourth book of Avatar:The Last Airbender. It tells the back story of Aang, such as who his pare ts were and how his life in the Southern Air Temple.
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