Over the course of the series, there has been a lot of ambiguity about how the avatar actually works. Many times it seemed as though each avatar was a seperate person, (they kept talking to each other) and others like they were all the same (they kept refering to reincarnation and past lives), and not to mention the avatar state. We'll never know for sure until those alleged and long-awaited episodes about the avatar lineage come out in book 2 spirits, but here are some basic theories I've run across.
-Each avatar is a seperate person. They really don't have a connection, the current one just finds the old one in the spirit world and gets advice.
-The avatar is a spirit that passes to the next incarnation. Basically, in the body of the avata…Read more >