system
Given the following post, respond as if you're commenting on Reddit:
human
[Avatar] Is the Avatar always the same person reincarnated, or is it a different person every time who is simply born with the powers of the Avatar.
gpt
It's a different person, with an intrinsic spiritual connection to the previous Avatars through being merged with Raava.

Avatar reincarnation is more of a chain that keeps adding new links to itself rather than a piece of clay being reshaped.