What is the purpose of an avatar?

Related questions

1. Did Korra break the Avatar Cycle?
2. How did Sokka die?
3. Is Avatar 2 going to happen?
4. Why did The Legend of Korra get Cancelled?
5. Who is Zuko's daughter?
6. Is there an official Avatar 2 trailer?
7. How often should you change your profile picture?
8. Is Zuko's mom alive?
9. Who is Sokka's wife?
10. Will Avatar 2 be 3d?

Tags

1. #specifically
2. #earth
3. #refers
4. #deity
5. #refer
6. #universe
7. #preserves
8. #descent
9. #power
10. #avatar
11. #maintains
12. #appearance
13. #vishnu
14. #descents
15. #animal
16. #primarily
17. #which
18. #whether
19. #human
20. #apparition
21. #divine